{"title":"Heads","description":"\u003cp\u003e4 Piston Racing Cylinder Head Parts\u003c\/p\u003e\n\u003cp\u003e4P Cylinder Head Parts\u003c\/p\u003e","products":[{"product_id":"4-piston-k-series-adjustable-cam-gears","title":"4 Piston K-Series Adjustable Cam Gears","description":"\u003cp\u003e4 Piston K-Series Cam Gears are THE highest quality gears on the market, with an innovative design to help you during the cam degree process. Not only can they be used in the same manner as a traditional cam gear, they also feature alignment holes with an alignment tool that allows you to move it an exact number of degrees, put the pin in to align it, then tighten the bolts. If you want to advance 2 degrees, move the gear 2 on the face, slide the pin in, and it will move exactly 2 degrees.\u003c\/p\u003e\n\u003cp\u003eNot only does this save you time during the cam degree process, you can also offer your customers different settings for their cam centerlines with simple instructions to move to a specific pin location, slide the alignment pin in, and tighten the gears down. It removes any margin of human error and ensures that they get their valve timing events exactly where you asked them to be.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 4P Gears Better?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eARP fasteners that are larger for increased holding strength\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e175 grams lighter than competitive offerings, but with stronger materials and design\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInnovative cam degree system where the markings actually mean something\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMADE IN THE USA, with USA Billet Steel\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAvailable as a Single -or- as a Pair\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":32570447593609,"sku":"4PR-Kcamgear","price":425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/4pr.kcamgear2.jpg?v=1763660513"},{"product_id":"4p-outlaw-r35-gtr-cnc-head","title":"4P Outlaw R35 GTR CNC Head","description":"\u003cp\u003eThe highly anticipated 4P Outlaw R35 GTR CNC cylinder head is here!  You can expect world class quality and the best performance from our GTR offering that is in line with the outstanding products we have for other platforms.  On a high output car, expect over 100hp gain and improved high RPM performance and reliability.\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eOEM valve guides or optional bronze valve guides\u003c\/li\u003e\n\u003cli\u003eValve job specific to your type of street driving or racing\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003cli\u003eOptional valvetrain packages are in the checkbox area\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRoad Race, Time Attack, Auto X\u003c\/li\u003e\n\u003cli\u003eDrag Race\u003c\/li\u003e\n\u003cli\u003eStreet use and daily driving\u003c\/li\u003e\n\u003cli\u003eGasoline, E85, Ethanol, Methanol\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e340+ CFM airflow, a massive improvement over stock and superior flow when compared to other offerings on the market\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability\u003c\/li\u003e\n\u003cli\u003eHigh velocity intake port design\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design that outflows other heads. Boost response that will SET YOU BACK!!\u003c\/li\u003e\n\u003cli\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/li\u003e\n\u003cli\u003eOptional Super Alloy valves are a hybrid incoloy that are 5 times the tensile strength of an inconel valve, less weight, and have better heat management properties. These valves have memory to return to their original shape as they cool.\u003c\/li\u003e\n\u003cli\u003eOptional PAC Enhanced valve springs are made in the USA and have gone through anti-fatigue processes for longer life and better valve control than the competition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e*If you are sending your heads in for porting, please send your buckets and camshafts so that we can set lash.  If you don't have camshafts chosen, we can supply those as well*\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":32595500957833,"sku":"4P-Outlaw-R35GTR","price":4260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/outlawr35gtr1.jpg?v=1583425178"},{"product_id":"4p-peacemaker-cnc-head","title":"4P Peacemaker CNC Head","description":"\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eManganese Bronze Valve Guides (16)\u003c\/li\u003e\n\u003cli\u003eOversized Intake Seats (8)\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003cli\u003e4P 38.3mm Intake Valves (8) \u003c\/li\u003e\n\u003cli\u003e4P Custom Exhaust Valves (8)\u003cbr\u003e\u003cb\u003eWorld Record NITRO All Motor....yep\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2.7L and larger serious DRAG RACE ONLY\u003c\/li\u003e\n\u003cli\u003eIf you have smaller than a 2.7L engine, go see the Super 99\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOVER 425 CFM! 15-25 hp over the competition's best\u003c\/li\u003e\n\u003cli\u003eExclusive 4P custom 38.3mm Intake Valve that is lighter than the competition's smaller valves\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design and 4P proprietary valve produces 7-9hp over the competition\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability.\u003c\/li\u003e\n\u003cli\u003eOur intake port has very little turbulence and great velocity when compared to our competitors. You can hear the difference on the bench!\u003c\/li\u003e\n\u003cli\u003e5 years in testing and development with PROVEN back to back results.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34442411737225,"sku":"4P-PCMKR","price":2250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/peacemaker2.jpg?v=1602736370"},{"product_id":"pro-163","title":"4P Pro 163 CNC Head","description":"\u003cp\u003e\u003cb\u003eNote: Fits PRB Type S K20A2 head, RBC Civic Si Cylinder head, RSP Cylinder head, and PPA and PPL K24A1 CRV heads. Does not fit in RBB TSX castings.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOEM Guides left in for porting \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eOversized Intake Seats (8) \u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff6600;\"\u003eValves Included!!\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAll Motor Street \u003c\/li\u003e\n\u003cli\u003eUSAC Midget\u003c\/li\u003e\n\u003cli\u003eHigh HP open class Road Race\u003c\/li\u003e\n\u003cli\u003e2.4L+ Displacement Naturally Aspirated Engines \u003c\/li\u003e\n\u003cli\u003eE85, Methanol, Gasoline\u003c\/li\u003e\n\u003cli\u003eNot recommended for high boost applications, but some turbo cars run them with HUGE success.\u003c\/li\u003e\n\u003cli\u003eIf you are competitively racing and you are running one of our competitor's heads, make the switch and let the results do the talking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eV2 Pro 163 Started 11\/10\/2018 and is 400 CFM and a new intake design.  All heads prior to that are V1.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eUtilizes a 4 Piston 50 degree 37mm valve which flows better and weighs 7 grams less per valve than other 37s on the market.\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability.\u003c\/li\u003e\n\u003cli\u003eOur intake port has very little turbulence and great velocity when compared to our competitors. You can hear the difference on the bench!\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design.\u003c\/li\u003e\n\u003cli\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316029577,"sku":"Pro-163-INC++++37IN(F6980)-30EX(F6071)-Valve++++","price":1850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/Pro156v2.2020.2_b19480d5-b2d5-412a-888e-812f0571716e.jpg?v=1706636972"},{"product_id":"4p-s99","title":"4P Peacemaker Jr. *NEW*","description":"\u003cp\u003eThe 4P Peacemaker Jr. CNC Cylinder Head has been a dominant force in All Motor for years, having never lost an HDAY All Motor win since 2018 and never giving up the record.  If you are running something else, you are simply playing for second behind every racer that runs this.  Plain and simple you are going home round 1.  Our competition buys these and removes our logo or blurs them in their videos.\u003c\/p\u003e\n\u003cp\u003eThis head has an evolution over the years, so make sure you get the latest and greatest rendition from 4P.\u003c\/p\u003e\n\u003cp\u003eOfficial ALL MOTOR World Record Holder\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eManganese Bronze Valve Guides (16)\u003c\/li\u003e\n\u003cli\u003eOversized Intake Seats (8)\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003cli\u003e4P 37mm Intake Valves (8) \u003c\/li\u003e\n\u003cli\u003e4P Custom Exhaust Valves (8)\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eCopper seats are only recommended for those using Titanium valves.  Otherwise they are not needed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for 2.5L to 2.7L drag race engines, serious max effort DRAG RACE ONLY!  Over 440whp Capable on stock stroke!\u003c\/li\u003e\n\u003cli\u003eThe benchmark All Motor Race Head that everyone tries to copy!\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMANY cars have run 9.2 and 149 mph on M1 with this head...not 1....MANY\u003c\/li\u003e\n\u003cli\u003eETs and race wins backed up by our many customers regardless of chassis or tuner.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e13 HDAY All Motor Titles have been won by Super99\/PM Jr powered race cars.\u003c\/li\u003e\n\u003cli\u003eFits PRB, PPA, and PPL Cylinder Head Castings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e412+ CFM @ .650\" lift and 15hp over the competition's best\u003c\/li\u003e\n\u003cli\u003eExclusive 4P custom 37mm Intake Valve that is lighter than the competition's smaller valves, flows more air, and makes more power.\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design and 4P proprietary valve produces 7-9hp over the competition\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability.\u003c\/li\u003e\n\u003cli\u003eOur intake port has very little turbulence and proper velocity when compared to our competitors. You can hear the difference on the bench!\u003c\/li\u003e\n\u003cli\u003eYears in testing and development with PROVEN back to back results and records to show for it.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/strong\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316095113,"sku":"4P-PMjr-Include-Intake(37mm)(F6980)\/Exhaust(30mm\/55)(F6071)-Valves","price":2250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/k20.1_1.jpg?v=1763661223"},{"product_id":"pro-156v2","title":"4P Pro 156v2 CNC Head","description":"\u003cp\u003eThe NEW Pro 156v2 CNC cylinder head is the ultimate cylinder head for your street car. The original Pro 156 raised the bar and set the standard for entry level street cylinder heads by offering the highest quality in the industry and airflow that surpassed many very expensive race heads. The newest version of this head takes it a step further with improved airflow throughout the entire lift range, top to bottom. We spent countless hours balancing airflow to make sure this port is the best on the market. This head offers 360 CFM on a stock size valve, giving you plenty of flexibility to run a wide range of VTC and simplifying installation for those that don't find themselves pulling the engine out of their car to degree cams and check clearances. You can install the head and enjoy the power.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote: will not work with RBB TSX casting!  See 4P Pro TSX for RBB Heads.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOEM Guides left in for porting \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff6600;\"\u003eNO VALVES\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAll Motor Street\/Race\u003c\/li\u003e\n\u003cli\u003eOutlaw Turbo\u003c\/li\u003e\n\u003cli\u003eTurbo Street\u003c\/li\u003e\n\u003cli\u003eRoad Race\u003c\/li\u003e\n\u003cli\u003eUSAC Midget\u003c\/li\u003e\n\u003cli\u003eSuitable for 2.0-2.4L Road Race engines with a broad powerband in mind\u003c\/li\u003e\n\u003cli\u003eSuitable for 2.4-2.7L Drag Race engines as an alternative to our large valve 163 heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e360cfm airflow where popular camshafts lift, and huge low end and midrange flow.\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003e45 degree valve job designed for long life and durability.\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design.\u003c\/li\u003e\n\u003cli\u003eOptional Full length bronze manganese valve guide for valve stability.\u003c\/li\u003e\n\u003cli\u003ePort walls are left extra thick for high boost applications.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316127881,"sku":"Pro-156v2","price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/pro156v2-3.jpg?v=1605486842"},{"product_id":"pro-tsx","title":"4P Pro TSX CNC Head","description":"\u003cp\u003eThis port was specifically designed for the smaller TSX port. It is a high flowing, small volume port with high air speed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOEM Guides left in for porting \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAll Motor Street and Race Engines\u003c\/li\u003e\n\u003cli\u003ePerfect for stock to basic 2.0L engines\u003c\/li\u003e\n\u003cli\u003ePerfect for 2.0L Road Race where midrange punch must be retained\u003c\/li\u003e\n\u003cli\u003eTurbo and Supercharged\u003c\/li\u003e\n\u003cli\u003eSuitable for all out 2.0-2.4L Road Race engines with high hp in mind and low end, off corner acceleration\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eThis is our preferred cylinder head for SFWD and AWD Turbo cars exceeding 1000whp.  Also look at the Kingpin for extreme horsepower levels.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe RBB TSX heads have the smallest port and least material available for machining when compared to the other K-Series castings. This port was designed to fit in this casting, and takes a mediocre 275cfm cylinder head and transforms it into a 340+cfm race winner!\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003e45 degree valve job designed for long life and durability.\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design.\u003c\/li\u003e\n\u003cli\u003eSmaller intake port volume, high air speed port design.\u003c\/li\u003e\n\u003cli\u003eOptional full length bronze manganese valve guide for valve stability.\u003c\/li\u003e\n\u003cli\u003ePort walls are left extra thick for high boost applications when used in other castings.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316226185,"sku":"4P-PROTSX","price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/tsx1_1.jpg?v=1700316205"},{"product_id":"4p-gsr","title":"4P Outlaw V2 GSR CNC Head","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eOutlaw V2 - More CFM, More Horsepower\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e4P CNC heads make significantly more power, AND last up to 3 times longer than the competition. That is what our cylinder head program is all about...pumping out the biggest horsepower, keeping it responsive, and doing so with increased longevity. With a high power turbo car, your biggest battle is dealing with extreme exhaust temperatures. Our heads have design features that pull heat away from the valve and improve reliability on the street and race track.\u003c\/p\u003e\n\u003cp\u003e4P Cylinder Heads hold more world records than all others combined.  SFWD World Record at 1400hp, Outlaw FWD World Record at 2000hp, AWD World Record, Outlaw AWD World Record.\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eOEM or Bronze valve guides available\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOutlaw Turbo, Hot Rod\u003c\/li\u003e\n\u003cli\u003eStreet and Outlaw All Motor\u003c\/li\u003e\n\u003cli\u003eRoad Race\u003c\/li\u003e\n\u003cli\u003eE85, Methanol, Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability\u003c\/li\u003e\n\u003cli\u003eHigh velocity intake port design\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design.\u003c\/li\u003e\n\u003cli\u003eEasy to own port design that moves air fast!\u003c\/li\u003e\n\u003cli\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/li\u003e\n\u003cli\u003e300+CFM on stock size valve\u003c\/li\u003e\n\u003cli\u003e320 CFM on +1mm valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316258953,"sku":"4P-GSR","price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/img_8766.jpg?v=1605486279"},{"product_id":"4p-b16","title":"4P Outlaw V2 B16 CNC Head","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eOutlaw V2 - More CFM, More horsepower\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e4P CNC heads make significantly more power, AND last up to 3 times longer than the competition. That is what our cylinder head program is all about...pumping out the biggest horsepower, keeping it responsive, and doing so with increased longevity. With a high power turbo car, your biggest battle is dealing with extreme exhaust temperatures. Our heads have design features that pull heat away from the valve and improve reliability on the street and race track.\u003c\/p\u003e\n\u003cp\u003e4P Cylinder Heads hold more world records than all others combined.  SFWD World Record at 1400hp, Outlaw FWD World Record at 2000hp, AWD World Record, Outlaw AWD World Record.\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eOEM or Bronze valve guides available\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOutlaw Turbo, SFWD, True Street\u003c\/li\u003e\n\u003cli\u003eStreet and Outlaw All Motor\u003c\/li\u003e\n\u003cli\u003eRoad Race\u003c\/li\u003e\n\u003cli\u003eE85, Methanol, Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability\u003c\/li\u003e\n\u003cli\u003eHigh velocity intake port design\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design.\u003c\/li\u003e\n\u003cli\u003eEasy to own port design that moves air fast!\u003c\/li\u003e\n\u003cli\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/li\u003e\n\u003cli\u003e300+ CFM on stock size valve\u003c\/li\u003e\n\u003cli\u003e315 CFM on +1mm valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316324489,"sku":"4P-B16","price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/outlawb163.jpg?v=1605485888"},{"product_id":"pro-h22","title":"4P Pro H22 CNC Head","description":"The CNC Ported Pro H22 cylinder head is perfect for your street\/race all motor car or your high power turbo car.  If you are building a large displacement maximum effort all motor drag race car, you should consider the Outlaw 370 H22 Head.\n\nThe world's fastest and most powerful H22 is powered by a 4P Pro H22 CNC Cylinder Head.  35 or 36mm valve is available for this head on the stock intake seat, at the same price.  This head flows up to 360 CFM in that configuration.\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eOEM or optional Bronze valve guides\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAll Motor Street\/Race\u003c\/li\u003e\n\u003cli\u003eOutlaw Turbo\u003c\/li\u003e\n\u003cli\u003eTurbo Street\u003c\/li\u003e\n\u003cli\u003eRoad Race\u003c\/li\u003e\n\u003cli\u003eSuitable for 2.0-2.4L Road Race engines with a broad powerband in mind\u003c\/li\u003e\n\u003cli\u003eSuitable for 2.4-2.7L Drag Race engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003e45 degree valve job designed for long life and durability.\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design with up to 25cfm over our competition.\u003c\/li\u003e\n\u003cli\u003eIntake port features a laid out short turn for superior air speed around the valve when compared to conventional tall short turn port designs.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese valve guide for valve stability.\u003c\/li\u003e\n\u003cli\u003ePort walls are left extra thick for high boost applications.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316357257,"sku":"Pro-H22","price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/proh22intake.jpg?v=1700323449"},{"product_id":"pro-s2k","title":"4P Pro S2K CNC Head","description":"\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOEM Guides left in for porting \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff6600;\"\u003eNO VALVES\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePro All Motor, All Motor Street\u003c\/li\u003e\n\u003cli\u003eHigh horsepower turbo and supercharged applications 500-1500+hp\u003c\/li\u003e\n\u003cli\u003eUSAC Midget\u003c\/li\u003e\n\u003cli\u003eHigh horsepower open class Road Race\u003c\/li\u003e\n\u003cli\u003eIf you are competitively racing and you are running one of our competitor's heads, make the switch and let the results do the talking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eCustom intake valve that dramatically outperforms other off-the-shelf valves and weights up to 6 grams less per valve.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability.\u003c\/li\u003e\n\u003cli\u003eOur intake port has very little turbulence and great velocity when compared to our competitors. You can hear the difference on the bench!\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design up to 40cfm better than the competition.\u003c\/li\u003e\n\u003cli\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316390025,"sku":"Pro-S2K","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/s2000_1.jpg?v=1637355529"},{"product_id":"4p-evo789","title":"4P Outlaw EVO CNC Head","description":"\u003ch2\u003eCongrats to Procco for taking the 7 second EVO bounty on the 4P Outlaw EVO cylinder head, and all 7 second EVOs that have now reached that milestone using the 4P Outlaw EVO CNC Cylinder Head\u003c\/h2\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eOriginal Guides left in for porting\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRoad Race, Time Attack, Auto X\u003c\/li\u003e\n\u003cli\u003eDrag Race\u003c\/li\u003e\n\u003cli\u003eStreet use and daily driving\u003c\/li\u003e\n\u003cli\u003eGasoline, E85, Ethanol, Methanol\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePorts from 280 to 300+ CFM depending on your application\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability\u003c\/li\u003e\n\u003cli\u003eHigh velocity intake port design\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design.\u003c\/li\u003e\n\u003cli\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/li\u003e\n\u003cli\u003eSuper Alloy valves are a hybrid incoloy that are 5 times the tensile strength of an inconel valve, less weight, and have better heat management properties. These valves have memory to return to their original shape as they cool.\u003c\/li\u003e\n\u003cli\u003ePAC Enhanced valve springs are made in the USA and have gone through anti-fatigue processes for longer life and better valve control than the competition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cb\u003eAll heads require a core! Right now we are unable to effectively source good used cores, and we cannot get new cores from Mitsubishi.  You have to send your head in for porting.  Sorry for the inconvenience.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471316422793,"sku":"4P-EVO789","price":1650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/evo-1.jpg?v=1668796688"},{"product_id":"4pr-int3750-1","title":"4 Piston Racing 37mm Intake Valve","description":"\u003cp\u003e\u003cb\u003ePrice is per valve!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIntroducing the \u003cb\u003eonly\u003c\/b\u003e off-the-shelf 37mm 50 degree intake valve for your K-Series engine. Other aftermarket valve designs actually flow less than the OEM Honda valve of equal size. This valve flat out flows! Up to 7 cfm gain per valve over the same size 45 degree off the shelf valves and 25 cfm more than a stock size 45 degree valve. This valve also features a dished head for reduced weight, 7 grams lighter EACH than the 37mm ST valve.\u003c\/p\u003e\n\u003cp\u003eOur valve was designed in house and has been tested in our own engines for years with high spring pressures and high rpm. These valves are always in stock here at 4 Piston Racing. \u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eThese valves are discounted to existing 4 Piston cylinder head owners and when purchased as a part of our CNC Cylinder heads!\u003c\/i\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Single Valve","offer_id":34523879374985,"sku":"4PR-INT3750-Single----F6980","price":32.0,"currency_code":"USD","in_stock":true},{"title":"Full Kit (8 Valves)","offer_id":34523879407753,"sku":"4PR-INT3750-Full-----F6980","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/coming_soon.jpg?v=1605475436"},{"product_id":"4pr-k20exh-ht","title":"4 Piston Racing Ultra High Temp Exhaust Valve Set (K-Series)","description":"\u003cp\u003e\u003cb\u003ePrice is for 8 valves.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIntroducing the 4 Piston Ultra High Temperature exhaust valve for extreme turbocharged applications. This is the first valve of its kind available for your Honda and is designed to combat exhaust valve distortion in engines producing extreme exhaust heat. Commonly used in engines over 1300hp or in those running highly oxygenated fuels, this valve can withstand 2600 degrees F and is five times the tensile strength of inconel alternatives. The valve has superior memory that allows it to return to its original shape as it cools.\u003c\/p\u003e\n\u003cp\u003eAvailable in 5.5mm, 6mm, and 6.5mm valve stem. 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This Ferrea Valve Series is designed to provide excellent reliability in an environment of high RPM and high spring pressures, at a budget price.\u003c\/p\u003e\n\u003cp\u003eThese valves have higher fatigue resistance and tensile strengths than our competitor’s best offering. The 6000 Series Competition Valves are specially designed for street, drag and rally racing applications. To manufacture the valves we use our exclusive two-step slow-forging process applied to the special alloys selected to suit intake and exhaust applications. We provide a unique heat-treatment and stress-relieving process, along with hard chrome stems and friction-welded hard tips. We finish the valves with a swirl-polished head.\u003c\/p\u003e\n\u003cp\u003eFerrea Valves feature flow improvements to deliver the power needed for today’s sophisticated Sport Compact racing engines.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"35mm Intake","offer_id":34524634120329,"sku":"F6073","price":175.0,"currency_code":"USD","in_stock":true},{"title":"36mm Intake","offer_id":34524634153097,"sku":"F6074","price":175.0,"currency_code":"USD","in_stock":true},{"title":"30mm Exhaust","offer_id":34524634185865,"sku":"F6071","price":175.0,"currency_code":"USD","in_stock":true},{"title":"31mm Exhaust","offer_id":34524634218633,"sku":"F6072","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/ferrea6000valves_2_3_813fd826-3632-4dc6-a998-8bad982af863.jpg?v=1605501915"},{"product_id":"f154","title":"Ferrea Competition Plus Valves (K-Series)","description":"\u003cp\u003eThis is Ferrea's top of the line valve for your Honda engine. 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This Ferrea Valves Series is designed to provide excellent reliability in an environment of high RPM and high spring pressures, at a budget price. These valves have higher fatigue resistance and tensile strengths than our competitor’s best offering.\u003c\/p\u003e\n\u003cp\u003eThe 6000 Series Competition Valves are specially designed for street, drag and rally racing applications. To manufacture the valves we use our exclusive two-step slow-forging process applied to the special alloys selected to suit intake and exhaust applications. We provide a unique heat-treatment and stress-relieving process, along with hard chrome stems and friction-welded hard tips.\u003c\/p\u003e\n\u003cp\u003eWe finish the valves with a swirl-polished head. 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This is the first valve of its kind available for your Honda and is designed to combat exhaust valve distortion in engines producing extreme exhaust heat. Commonly used in engines over 1200hp or in those running highly oxygenated fuels, this valve can withstand 2600 degrees F and is five times the tensile strength of inconel alternatives. The valve has superior memory that allows it to return to its original shape as it cools.\u003c\/p\u003e\n\u003cp\u003eAvailable in 6mm valve stem. The top of the valve will still utilize your existing 5.5mm retainer setup, so you can retain your existing valve spring and retainer setup.\u003c\/p\u003e\n\u003cp\u003eWe also sell an ultra high temp \"stubby\" exhaust guide that is ready for 6mm valve installation. You still hone the guide, but it is not a 5.5mm guide that you have to reem out to get the 6mm to fit.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThese valves are IN STOCK and ship TODAY!\u003c\/b\u003e\u003c\/p\u003e\n","brand":"4 Piston Racing","offers":[{"title":"8x 6mm Includes High Temp Bronze Exhaust Guides","offer_id":34523882389641,"sku":"4PR-F6925-VGB-012EX","price":376.0,"currency_code":"USD","in_stock":true},{"title":"Just Exhaust Valves","offer_id":34523882422409,"sku":"4PR-F6925-(Valves Only)","price":296.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/4p6mmbseriesvalve.jpg?v=1605475590"},{"product_id":"b-f601","title":"Ferrea 6000 Series Competition Valves (B Series - LS \/ B20)","description":"\u003cp\u003eFerrea Valves, the world’s leading manufacturer of racing valves, introduces the Sport Compact market into the already race-proven Ferrea 6000 Series Competition Valves. This Ferrea Valves Series is designed to provide excellent reliability in an environment of high RPM and high spring pressures, at a budget price. These valves have higher fatigue resistance and tensile strengths than our competitor’s best offering.\u003c\/p\u003e\n\u003cp\u003eThe 6000 Series Competition Valves are specially designed for street, drag and rally racing applications. To manufacture the valves we use our exclusive two-step slow-forging process applied to the special alloys selected to suit intake and exhaust applications. We provide a unique heat-treatment and stress-relieving process, along with hard chrome stems and friction-welded hard tips.\u003c\/p\u003e\n\u003cp\u003eWe finish the valves with a swirl-polished head. Ferrea Valves feature flow improvements to deliver the power needed for today’s sophisticated Sport Compact racing engines.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote: These valves are for Integra LS B18A\/B18B and CRV B20.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"31mm Intake (set of 8)","offer_id":34524630057097,"sku":"F6016","price":168.0,"currency_code":"USD","in_stock":true},{"title":"28mm Exhaust (set of 8)","offer_id":34524630089865,"sku":"F6015","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/ferrea6000valves_2_3.jpg?v=1605501594"},{"product_id":"b-f1","title":"Ferrea Competition Plus Valves (B Series - LS \/ B20)","description":"\u003cp\u003eThis is Ferrea's top of the line valve for your Honda engine. This valve is suitable for all horsepower levels and especially engines that will experience extreme exhaust temperatures from forced induction.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote: These valves are for Integra LS B18A\/B18B and CRV B20.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eALL \u003c\/b\u003e\u003cb\u003eLS B18A\/B18B and CRV B20 valves are made to order due to low demand.  Please allow 2 weeks for shipment.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"31mm Intake","offer_id":34524635660425,"sku":"F1816P","price":240.0,"currency_code":"USD","in_stock":true},{"title":"31.5mm Intake","offer_id":34524635693193,"sku":"F1490P","price":240.0,"currency_code":"USD","in_stock":true},{"title":"32mm Intake","offer_id":34524635725961,"sku":"F1491P","price":240.0,"currency_code":"USD","in_stock":true},{"title":"28mm Exhaust","offer_id":34524635758729,"sku":"F1815P","price":250.0,"currency_code":"USD","in_stock":true},{"title":"28.5mm Exhaust","offer_id":34524635791497,"sku":"F1488P","price":250.0,"currency_code":"USD","in_stock":true},{"title":"29mm Exhaust","offer_id":34524635824265,"sku":"F1489P","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/ferreacompetitionplus_2_4.jpg?v=1605501967"},{"product_id":"d-f60","title":"Ferrea 6000 Series Competition Valves (D-Series)","description":"\u003cp\u003eFerrea Valves, the world’s leading manufacturer of racing valves, introduces the Sport Compact market into the already race-proven Ferrea 6000 Series Competition Valves. This Ferrea Valves Series is designed to provide excellent reliability in an environment of high RPM and high spring pressures, at a budget price. These valves have higher fatigue resistance and tensile strengths than our competitor’s best offering.\u003c\/p\u003e\n\u003cp\u003eThe 6000 Series Competition Valves are specially designed for street, drag and rally racing applications. To manufacture the valves we use our exclusive two-step slow-forging process applied to the special alloys selected to suit intake and exhaust applications. We provide a unique heat-treatment and stress-relieving process, along with hard chrome stems and friction-welded hard tips.\u003c\/p\u003e\n\u003cp\u003eWe finish the valves with a swirl-polished head. 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Valve control is one of the most important parts of making power and promoting long engine life. Too often springs are pushed beyond their functional limits and valves bounce out of control. We put these kits together after extensive testing and these are a must if you are racing competitively, turning high rpm, and running large camshafts. You can spend the money now and have a good spring that maintains valve control and lasts several race seasons, or buy cheap now and replace them a couple times a year...along with the other damage caused by out of control valves. We can also machine the seats to fine tune a pressure setting to suit your specific setup.\u003c\/p\u003e\n\u003ch2\u003e4PR-SPR-1001K - Pro Stock Race Spring\u003c\/h2\u003e\n\u003cp\u003eWe developed this single spring kit starting with a PSI Pro Stock single spring with Max Life Treatment and our own custom seat and retainer. This is a lightweight package with plenty of room to run large camshafts beyond .650 lift. 120lbs on the seat, 320lbs @ .600. Package comes with springs, spring seats, and titanium retainers. These have been proven year after year and have a VERY long service life, 20 times that of the cheaper alternatives on the market. Excellent protection against floating valves in the event of a missed gear. Max RPM 11,000+.\u003cbr\u003e\u003cbr\u003eThese springs have PROVEN 6-10hp gains in high rpm ranges over most springs available on the market.  You will find these 4P valve springs in more than 80% of the top all motor and turbo class cars....even under the valve covers of our competition.\u003c\/p\u003e\n\u003cp\u003eMADE WITH PRIDE IN THE USA!!\u003c\/p\u003e\n\u003cp\u003eFits K-Series and S2000\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471317307529,"sku":"4PR-SPR-1001K","price":850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/4pprostockvalvespring.jpg?v=1605476885"},{"product_id":"k-fs","title":"Ferrea Valve Spring Kit (K-Series)","description":"\u003cp\u003eThe KT4004 kit uses a S10100 valve spring is recommended for all applications where you are using a larger aftermarket cam, including road racing. 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Ferrea 7 degree Honda keepers are precision machined and extra beefy for a better fit.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471317438601,"sku":"K10034","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/ferreavalvelock.jpg?v=1605502546"},{"product_id":"b-fs","title":"Ferrea Valve Spring and Titanium Retainer Kits (B-Series VTEC)","description":"\u003cp\u003eThere are many Ferrea springs available for B-Series.  We only list the ones that we will use in our own engines for the applications that you all are using your engines in.  Regardless of their descriptions, we highly recommend the S10086 spring (Kit 4036) for any all motor street or turbo application.  They can be used for high hp turbo applications in the 1000hp range, and up to 10,000 rpm.  If you require a heavier duty spring for more power and RPM please use the 4 Piston SFWD spring.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eKT4001 - S10070 - Seat Pressure 80 lb, Max Lift 14mm\u003cbr\u003eKT4002 - S10027 - Seat Pressure 100 lb, Max Lift 13.5mm\u003cbr\u003eKT4027 - S10104 - Seat Pressure 80 lb Max Lift 13.5\u003cbr\u003eKT4036 - S10086 - Seat Pressure 110 lb, Max Lift 13mm (Recommended by 4P for most applications)\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"KT4001","offer_id":34524645982345,"sku":"KT4001","price":1002.0,"currency_code":"USD","in_stock":true},{"title":"KT4002","offer_id":34524646015113,"sku":"KT4002","price":1002.0,"currency_code":"USD","in_stock":true},{"title":"KT4027","offer_id":34524646047881,"sku":"KT4027","price":1002.0,"currency_code":"USD","in_stock":true},{"title":"KT4036","offer_id":34524646080649,"sku":"KT4036","price":1002.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/ferrea_spring_retainer_kit_1_1.jpg?v=1605502580"},{"product_id":"sprk-h100dr","title":"Supertech Valve Spring Kit (B-Series)","description":"\u003cp\u003eThese springs are suited for the weekend racer working with a limited budget. We recommend the higher spring pressure option for turbo or all motor.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471317569673,"sku":"SPRK-H100DR","price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/supertechsprings_1_726df0de-6706-45c3-a100-8c3ee935321a.jpg?v=1605507186"},{"product_id":"sprk-h100","title":"Supertech Valve Spring Kit (H Series)","description":"\u003cp\u003eThese springs are suited for the weekend racer working with a limited budget. We recommend the higher spring pressure option for turbo or all motor.\u003c\/p\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eH1000D - Seat Pressure 80 lb, Max Lift 14.8mm\u003cbr\u003e\nH1005D - Seat Pressure 93 lb, Max Lift 14.8mm\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"H1000D - 80lb","offer_id":34524765585545,"sku":"SPRK-H100","price":410.0,"currency_code":"USD","in_stock":true},{"title":"H1005D - 93lb","offer_id":34524765618313,"sku":"SPRK-H101","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/supertechsprings_1_5db2cc62-d4ae-4dca-8583-3c4f59f0c110.jpg?v=1605507163"},{"product_id":"4pr-cam-rr4","title":"4 Piston Racing RR4 Road Race Camshaft (K-Series)","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\" mce-data-marked=\"1\"\u003e\u003cstrong\u003eIN STOCK\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is an aggressive road race cam that offers a huge and broad powerband that will pull a car off the corner at 2500 rpm if required, but carry power aggressively beyond 9000 rpm.  This camshaft was specifically designed for our 2.4L and 2.5L road race engine program to allow for a tame and mild idle that keeps some OEM drivability, but has an aggressive transition into VTEC where the engine should be raced.  The goal is for the driver to race the car on the race cam, but should you drop rpm through a corner, you aren't dead in the water.  The primary lobes will pull the car back up into the powerband and keep you in the race.\u003c\/p\u003e\n\u003cp\u003eThis cam is designed for 2.4L or larger engines with more than 12:1 compression.  It is not a big duration drag race cam, but will produce broad power and acceleration that will not leave you disappointed should you take your street or RR car down the 1320.  9 and low 10 second all motor 1\/4 mile times have been achieved on this road race cam.  This is not for stock stroke K20 engines.  If you have a K20, please use our RR3 camshaft.\u003c\/p\u003e\n\u003cp\u003eIntake Lift - 0.595\"\u003cbr\u003eIntake Duration - 266 @ 0.050\"\u003cbr\u003eExhaust Lift - 0.550\"\u003cbr\u003eExhaust Duration - 260 @ 0.050\"\u003cbr\u003e\u003cbr\u003e**special order available in single lobe for VTEC Killer setups**\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecommended Valve Spring:\u003c\/b\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e4P High Performance Street Valve Spring Kit - \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eGOOD OPTION\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e4P Advanced Performance RACE Valve Spring Kit - \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBEST OPTION\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFerrea Drag Race (shimmed 0.030\") - Light Duty Road Race\/Drag Race\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSupertech H1021D - Light Duty Road Race\/Drag Race\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e4 Piston 1001K PSI Pro Stock - Heavy Duty Race, light weight, long lasting, high rpm\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOther springs kits and brands may be suitable. This is our best recommendation.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecommended Rocker Arm:\u003c\/b\u003e\u003cbr\u003eOEM Honda Rocker Arm\u003cbr\u003eFerrea single roller rocker can be used with a special order VTEC Killer single lobe\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e4 Piston camshafts are Made in the USA from tool steel billet cores, by experts with over 50 years of camshaft design expertise. These cams are not only designed to make good power, but they are designed to promote long timing chain and tensioner life and proper valvetrain harmonics using the latest in camshaft design software.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Cams Only - No Spring Kit","offer_id":34471497564297,"sku":"4PR-CAM-RR4-3LOBE","price":995.0,"currency_code":"USD","in_stock":true},{"title":"Add 4P High Performance Street Spring Kit","offer_id":34471497597065,"sku":"4PR-CAM-RR4-singlelobe","price":1394.0,"currency_code":"USD","in_stock":true},{"title":"Add 4P Advanced Performance Race Spring Kit","offer_id":43143861469321,"sku":"","price":1484.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/602A1731.jpg?v=1764861456"},{"product_id":"4pr-cam-rr3","title":"4 Piston Racing RR3 Road Race Camshaft (K-Series)","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\" mce-data-marked=\"1\"\u003e\u003cstrong\u003eIN STOCK\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis camshaft was specifically designed for our 2.0L road race engine program. The primary lobes allow for a mild idle and tame drivability, but with significant gains over stock.  You will experience a smooth transition into VTEC but the engine comes to life once it is on the big cam.  You are able to run significant intake cam advance where desired.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis cam also works great on stock block K24 engines, where it can produce 30hp gains on stock engines.  It can produce over 300whp on 2.4L engines, but would be considered a mild low maintenance cam for that application. \u003c\/p\u003e\n\u003cp\u003eIntake Lift - 0.533\"\u003cbr\u003eIntake Duration - 260 @ 0.050\"\u003cbr\u003eExhaust Lift - 0.513\"\u003cbr\u003eExhaust Duration - 260 @ 0.050\"\u003cbr\u003e\u003cbr\u003e**special order available in single lobe for VTEC Killer setups**\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecommended Valve Spring:\u003c\/b\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e4P High Performance Street Valve Spring Kit - \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eGOOD OPTION\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e4P Advanced Performance RACE Valve Spring Kit - \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBEST OPTION\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFerrea Drag Race (shimmed 0.030\") - Light Duty Road Race\/Drag Race\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSupertech H1021D - Light Duty Road Race\/Drag Race\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e4 Piston 1001K PSI Pro Stock - Heavy Duty Race, light weight, long lasting, high rpm\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOther springs kits and brands may be suitable. This is our best recommendation.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecommended Rocker Arm:\u003c\/b\u003e\u003cbr\u003e OEM Honda Rocker Arm\u003cbr\u003eFerrea single roller rocker can be used, but this cam is best suited for 3 lobe iVTEC orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e4 Piston camshafts are Made in the USA from tool steel billet cores, by experts with over 50 years of camshaft design expertise. These cams are not only designed to make good power, but they are designed to promote long timing chain and tensioner life and proper valvetrain harmonics using the latest in camshaft design software.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Cams Only - No Spring Kit","offer_id":43143860781193,"sku":"4PR-CAM-RR3","price":995.0,"currency_code":"USD","in_stock":true},{"title":"Add 4P High Performance Street Spring Kit","offer_id":43143853113481,"sku":"4PR-CAM-RR3\/","price":1394.0,"currency_code":"USD","in_stock":true},{"title":"Add 4P Advanced Performance Race Spring Kit","offer_id":43143853146249,"sku":"4PR-CAM-RR3","price":1484.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/RR3.jpg?v=1763664680"},{"product_id":"4pr-cam-otb","title":"4 Piston Racing Outlaw Turbo Camshaft (K-Series)","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eIN STOCK\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a moderate lift and short duration camshaft that was designed for turbocharged engines, from 600 up to 1000+hp. This cam is made to order and takes 2-3 weeks to complete.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecommended Valve Spring:\u003c\/b\u003e\u003cbr\u003e4P High Performance Street Valve Spring Kit - \u003cstrong\u003eGOOD OPTION\u003c\/strong\u003e\u003cbr\u003e4P Advanced Performance RACE Valve Spring Kit - \u003cstrong\u003eBEST OPTION\u003c\/strong\u003e\u003cbr\u003eFerrea Drag Race (shimmed 0.030\") - Light Duty Road Race\/Drag Race\u003cbr\u003eSupertech H1021D - Light Duty Road Race\/Drag Race\u003cbr data-mce-fragment=\"1\"\u003e 4 Piston 1001K PSI Pro Stock - Heavy Duty Race, light weight, long lasting, high rpm\u003cbr\u003e Other springs kits and brands may be suitable. This is our best recommendation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecommended Rocker Arm:\u003c\/b\u003e\u003cbr\u003e Ferrea Aluminum Roller Rocker for single lobe\u003cbr\u003e OEM Honda Rocker Arms for 3 lobe and single lobe\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e4 Piston camshafts are Made in the USA from billet cores, by experts with over 50 years of camshaft design expertise. These cams are not only designed to make good power, but they are designed to promote long timing chain and tensioner life and proper valvetrain harmonics using the latest in camshaft design software.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"iVTEC 3 Lobe","offer_id":34523899297929,"sku":"4PR-CAM-OTB-3Lobe","price":995.0,"currency_code":"USD","in_stock":true},{"title":"VTEC Killer","offer_id":34523899330697,"sku":"4PR-CAM-OTB-Killer","price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/rr3.3.jpg?v=1764861516"},{"product_id":"sknk2-305-05","title":"Skunk2 Ultra Camshafts (K-Series)","description":"\u003cp\u003eUp to 80 hp gains with Skunk2’s Ultra Series line of camshafts, our professional line of high-lift, racing camshafts for Honda’s K-series VTEC engines. Ultra Camshafts are designed to optimize mid-range and top-end horsepower and torque, with peak power moved up the RPM band. As a result, VTEC crossover is seamless, allowing for the broadest powerband possible. No other line of racing camshafts even comes close to Skunk2’s Ultra Series. What's more, Ultra Camshafts are also the perfect addition to any high-output, turbocharged engine.\u003c\/p\u003e\n\u003cp\u003eSkunk2’s Ultra Series Camshafts for Honda’s K-series engines dramatically increase both horsepower and torque yet retain complete valvetrain stability and exceptional engine response. Ideal for heavily modified engines, Ultra Series Camshafts are manufactured from proprietary, high-quality forged tool steel cores, are CNC ground, and feature patent-pending profiles with unique lobe shapes and revolutionary lift, velocity, and acceleration characteristics.\u003c\/p\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eUltra 1 - High HP turbo or stock block K24.\u003cbr\u003e\nUltra 2 - High compression pump gas street engine.\u003cbr\u003e\nUltra 3 - High compression pump gas or E85 street engine.\u003cbr\u003e\nUltra 4 - Aggressive high compression race engine still utilizing 3 lobe VTEC function. High comp race engine.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Ultra 1","offer_id":34471503462537,"sku":"SKNK2-305-Ultra1","price":1050.0,"currency_code":"USD","in_stock":true},{"title":"Ultra 2","offer_id":34471503495305,"sku":"SKNK2-305-Ultra2","price":1050.0,"currency_code":"USD","in_stock":true},{"title":"Ultra 3","offer_id":34471503528073,"sku":"SKNK2-305-Ultra3","price":1050.0,"currency_code":"USD","in_stock":true},{"title":"Ultra 4","offer_id":34471503560841,"sku":"SKNK2-305-Ultra4","price":1050.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/skunkultra.jpg?v=1603776295"},{"product_id":"sknk2-bmf-305-05-7100","title":"Skunk2 BMF Camshafts (K-Series)","description":"\u003cp\u003eBMF camshafts are designed to optimize top-end horsepower and torque, with peak power moved up the RPM band. No other line of racing camshafts even comes close to Skunk2’s BMF camshafts. Best camshafts for all out racing effort. Skunk2 camshafts deliver unparalleled results throughout the powerband as a result of our extensive development and testing. Skunk2 camshafts designs are the direct result of our years of drag racing and road racing efforts. In addition to each Skunk2 project car and race vehicle, the world’s top road racing and drag racing teams have relied on Skunk2 camshafts for years.\u003c\/p\u003e\n\u003cp\u003eBMF - High Compression Race Engine 2.4L - 2.8L 400+hp.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471318028425,"sku":"","price":1250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/skunk2bmf.jpg?v=1605508429"},{"product_id":"b-sknk2-305","title":"Skunk2 Pro Series VTEC Camshafts (B Series)","description":"\u003cp\u003eSkunk2 camshafts deliver unparalleled results throughout the powerband as a result of our extensive development and testing. Advanced manufacturing techniques, the latest computerized simulation and modeling software, and our proprietary AMAX and Fast Ramp technologies help maximize the area under the lift curve and reduce seat timing for maximum torque and cylinder pressure. All Skunk2 camshafts are designed and tested in-house in an effort to ensure high quality and maximum performance gains and are manufactured to Skunk2’s stringent specifications using state-of-the-art CNC camshaft grinding equipment. Skunk2 camshafts are available in two configurations: Tuner Series, which retain OEM idle characteristics and low-speed emissions, and Pro Series, which are designed for heavily modified engines.\u003c\/p\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003e305-05-5140 - Pro 1\u003cbr\u003e 305-05-5145 - Pro 2\u003cbr\u003e 305-05-5150 - Pro 3\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"305-05-5140 - Pro 1 (+$25)","offer_id":34524785344649,"sku":"B-SKNK2-308","price":725.0,"currency_code":"USD","in_stock":true},{"title":"305-05-5145 - Pro 2 (+$25)","offer_id":34524785377417,"sku":"B-SKNK2-309","price":725.0,"currency_code":"USD","in_stock":true},{"title":"305-05-5150 - Pro 3 (+$25)","offer_id":34524785410185,"sku":"B-SKNK2-310","price":725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/b-series-01_4.jpg?v=1605507971"},{"product_id":"b-cams-web-35-402","title":"Web Camshafts PRO VTEC Killer (B-Series)","description":"\u003cp\u003eThis VTEC killer camshaft by Web requires their flat tappet rocker arm setup. This is suitable for serious all motor applications or outlaw turbo and SFWD applications with huge power in mind.\u003c\/p\u003e\n\u003cp\u003eThis is the same setup use in the 1300+hp record holding 4P SFWD Honda Civic driven by Shawn Ramey\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471318159497,"sku":"B-CAMS-WEB-35-402","price":3587.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/webbseries.jpg?v=1605483651"},{"product_id":"b-cams-frr","title":"4P Outlaw Turbo B-Series Roller Camshaft","description":"\u003cp\u003eThe 4P Roller Camshaft is powering some of the fastest and most powerful B-Series Turbo cars in all of racing right now.  This was developed and first used in MissPSI's True Street Civic, and has been adopted by teams looking for more power.  Miss PSI won World Cup Finals True Street on this camshaft, and has typically produced highest MPH in SFWD....even on her smaller turbo.  190+mph from a 67mm!\u003c\/p\u003e\n\u003cp\u003eSometimes in stock, 2-4 week lead time if not.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"None","offer_id":34524024307849,"sku":"B-CAMS-FRR","price":1700.0,"currency_code":"USD","in_stock":true},{"title":"Ferrea Rockers","offer_id":34524024340617,"sku":"B-CAMS-FRR-Ferrea","price":3050.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/ferreacams.jpg?v=1605480462"},{"product_id":"h-cams-sknk2-305-05","title":"Skunk2 Pro Series Camshafts (H Series)","description":"\u003cp\u003eSkunk2’s Pro Series, our professional line of racing camshafts, are designed to dramatically increase mid-range and top-end horsepower and torque. As a result, VTEC crossover is seamless, allowing for the broadest powerband possible. No other line of racing camshafts even comes close to Skunk2’s Pro Series. Ideal for heavily modified engines, Pro Series Camshafts are manufactured from proprietary, high-quality cores, are CNC ground, and feature patent-pending profiles with unique lobe shapes and revolutionary lift, velocity, and acceleration characteristics. Skunk2 camshafts designs are the direct result of our years of drag racing and road racing efforts. In addition to each Skunk2 project car and race vehicle, the world’s top road racing and drag racing teams have relied on Skunk2 camshafts for years.\u003c\/p\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003e305-05-5200 - Pro 1+\u003cbr\u003e 305-05-5205 - Pro 2+\u003cbr\u003e 305-05-5210 - Pro 3+ (discontinued)\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"305-05-5200 - Pro 1+","offer_id":34471481049225,"sku":"H-CAMS-SKNK2-305-05-5200","price":684.0,"currency_code":"USD","in_stock":true},{"title":"305-05-5205 - Pro 2+","offer_id":34471481081993,"sku":"H-CAMS-SKNK2-305-05-5205","price":684.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/b-series-01_4_1.jpg?v=1603775624"},{"product_id":"frra","title":"Ferrea Roller Rocker Arms","description":"\u003cp\u003eThe Ferrea Roller Rocker arms not only reduce friction and valvetrain weight, they allow you to run a more aggressive camshaft lobe that would not be possible on a flat tappet rocker pad.\u003c\/p\u003e\n\u003cp\u003eWe have all of these part numbers in stock ready to ship.\u003c\/p\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eRR1000 - B-Series Roller Rocker\u003cbr\u003e RR1004 - K-Series Roller Rocker (gold new style)\u003cbr\u003e RR1002 - K Series Roller Rocker (blue old style)\u003cbr\u003eRR8000 - K Series Roller Rocker (PURPLE 4 Piston Exclusive)\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"RR1002-K Series (Blue)","offer_id":43408884007049,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":true},{"title":"RR1004 - K Series","offer_id":34524643557513,"sku":"FRRA-1","price":1450.0,"currency_code":"USD","in_stock":true},{"title":"RR8000 - K Series (Purple 4P Exclusive)","offer_id":34524643590281,"sku":"FRRA-2","price":1450.0,"currency_code":"USD","in_stock":true},{"title":"RR1000 - B Series (Red)","offer_id":34524643623049,"sku":"FRRA-3","price":1450.0,"currency_code":"USD","in_stock":true},{"title":"RR1001 - H22 (Red)","offer_id":34524643655817,"sku":"FRRA-4","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/ferrearockers.jpg?v=1740606256"},{"product_id":"4pr-v","title":"Viton Valve Seals","description":"\u003ch2\u003eValve Seals\u003c\/h2\u003e\n\u003cp\u003eComplete set of 16 Viton valve stem seals, high temp Viton material\u003cbr\u003e\u003cbr\u003eHonda B-Series VTEC\u003cbr\u003eHonda H-Series\u003cbr\u003eHonda K-Series\u003cbr\u003eHonda S2000\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Honda B Series","offer_id":34524148826249,"sku":"4PR-V-1","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Honda K Series","offer_id":34524148859017,"sku":"4PR-V-2","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Honda H Series","offer_id":34524148891785,"sku":"4PR-V-3","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Honda S2000","offer_id":34524148924553,"sku":"4PR-V-4","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Mitsubishi EVO 8\/9","offer_id":34524148957321,"sku":"4PR-V-5","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Mitsubishi EVO X","offer_id":34524148990089,"sku":"4PR-V-6","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/valveseal.jpg?v=1605483687"},{"product_id":"moab-gsr","title":"MOAB GSR CNC Head","description":"\u003cp\u003eThe new MOAB GSR is the ultimate B-Series racing CNC cylinder head.  It moves 320 cfm through a 34mm intake valve and flow is improved through the entire lift range from top to bottom.  This head is ideal for large all motor engines looking to make maximum power and for high horsepower turbo cars wanting to push beyond what our world record holding Outlaw ports have achieved.  \u003c\/p\u003e\n\u003cp\u003e4P CNC heads make significantly more power, AND last up to 3 times longer than the competition. That is what our cylinder head program is all about...pumping out the biggest horsepower, keeping it responsive, and doing so with increased longevity. With a high power turbo car, your biggest battle is dealing with extreme exhaust temperatures. Our heads have design features that pull heat away from the valve and improve reliability on the street and race track.\u003c\/p\u003e\n\u003cp\u003e4P Cylinder Heads hold more world records than all others combined.\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eOversized intake seats for a +1mm intake valve\u003c\/li\u003e\n\u003cli\u003eOEM or Bronze guides available\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOutlaw Turbo, True Street, SFWD\u003c\/li\u003e\n\u003cli\u003eStreet and Race All Motor\u003c\/li\u003e\n\u003cli\u003eRoad Race\u003c\/li\u003e\n\u003cli\u003eE85, Methanol, Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e320 CFM and Huge flow through the entire lift range.\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability (optional)\u003c\/li\u003e\n\u003cli\u003eHigh velocity intake port design\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design.\u003c\/li\u003e\n\u003cli\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471321763977,"sku":"moab-gsr","price":1550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/moabgsr1.jpg?v=1605510240"},{"product_id":"outlaw370-h22","title":"4P Outlaw 370 H22 CNC Head","description":"\u003cp\u003eThe Outlaw 370 H22 is the newest addition to the 4P H-Series lineup.  We have taken design attributes from our world record setting K-Series program and applied those to the H22 head in order to create the meanest H head on the market for maximum All Motor horsepower.  This head features a +2mm intake valve that moves over 370cfm.  Beyond the flowbench, it features a custom intake and exhaust valve design  and uses the same throat and airspeed formula that has set multiple records over multiple racing series.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eOversized intake seats for a +2mm intake valve\u003c\/li\u003e\n\u003cli\u003eOEM valve guides or optional bronze valve guides.\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003cli\u003eThis head requires custom intake valves.  You can source them yourself or we can provide them.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAll Motor Race\u003c\/li\u003e\n\u003cli\u003eSuitable for 2.0-2.4L Road Race engines with a high rpm powerband in mind\u003c\/li\u003e\n\u003cli\u003eSuitable for 2.3-2.7L Drag Race engines looking to produce maximum power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eOthers talk about big flow, but we have tested ALL others on the market.  They fall WELL short of our 370cfm flow on our flow bench in equal conditions, regardless of what they advertise.\u003c\/li\u003e\n\u003cli\u003e50 degree valve job for increased on-track performance\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design with up to 25cfm over our competition.\u003c\/li\u003e\n\u003cli\u003eIntake port features a laid out short turn for superior air speed around the valve when compared to conventional tall short turn port designs.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese valve guide for valve stability.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAll heads require a core! You can send us your head, or purchase one from us at the current market price.\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471321796745,"sku":"Outlaw370-H22","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/proh221.jpg?v=1605485271"},{"product_id":"outlaw-evox","title":"4P Outlaw EVO X CNC Head","description":"\u003cp\u003eThe highly anticipated 4P Outlaw EVO X CNC cylinder head is here!  This is THE best cylinder head on the market for your EVO X with regards to performance and machining quality. We have put countless hours of development and tested against all others on the market to bring you the best performing cylinder head whether you are endurance racing or drag racing.  We build these heads to compliment your engine, whether that be a 2.3L small turbo broad powerband car, or a 2.0L high rpm drag race car.\u003c\/p\u003e\n\u003cp\u003e4P EVO X heads power THE fastest cars in the world.\u003c\/p\u003e\n\u003ch2\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eOEM valve guides or optional bronze valve guides\u003c\/li\u003e\n\u003cli\u003ePrecision CNC valve job using the latest NEWEN Fixed Turning technology\u003c\/li\u003e\n\u003cli\u003eResurface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRoad Race, Time Attack, Auto X\u003c\/li\u003e\n\u003cli\u003eDrag Race\u003c\/li\u003e\n\u003cli\u003eStreet use and daily driving\u003c\/li\u003e\n\u003cli\u003eGasoline, E85, Ethanol, Methanol\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e350+ CFM airflow, more than 60 CFM improvement\u003c\/li\u003e\n\u003cli\u003e20+ CFM over the competition lifting the valve with popular camshaft grinds and 30+cfm over the competition for race cam applications.\u003c\/li\u003e\n\u003cli\u003eSlow-cut precision 5-axis cnc porting, second to none on machining quality.\u003c\/li\u003e\n\u003cli\u003eFull length bronze manganese guide for valve stability\u003c\/li\u003e\n\u003cli\u003eHigh velocity intake port design\u003c\/li\u003e\n\u003cli\u003eUnique power producing exhaust port design that outflows other heads...even those with larger valves!  Boost response on gear changes that will SET YOU BACK!!\u003c\/li\u003e\n\u003cli\u003eOur heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.\u003c\/li\u003e\n\u003cli\u003eOptional Super Alloy valves are a hybrid incoloy that are 5 times the tensile strength of an Inconel valve, less weight, and have better heat management properties. These valves have memory to return to their original shape as they cool.\u003c\/li\u003e\n\u003cli\u003eOptional PAC Enhanced valve springs are made in the USA and have gone through anti-fatigue processes for longer life and better valve control than the competition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cb\u003eAll heads require a core! Right now we are unable to effectively source good used cores, and we cannot get new cores from Mitsubishi.  You have to send your head in for porting.  Sorry for the inconvenience.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e*If you are sending your head in for porting, please send your buckets and camshafts so that we can set lash*\u003c\/b\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471321829513,"sku":"outlaw-evox","price":1650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/sam_4234.jpg?v=1668796669"},{"product_id":"4p-rr8000","title":"4P Purple K-Series Ferrea Roller Rocker Arms","description":"\u003cp\u003eFerrea Roller Rocker arms not only reduce friction and valvetrain weight, they allow you to run a more aggressive camshafts.  These rockers are 50% less mass than a an OEM steel Honda rocker arm.  These rockers eliminate VTEC and allow you to run an aggressive \"VTEC Killer\" camshaft, and you also can run a 3 lobe traditional camshaft, but it will only use the center VTEC cam lobe.  The weight savings will show up in increased horsepower at high rpm and the engine will hold and carry that power longer past peak.\u003c\/p\u003e\n\n\u003cp\u003eThe purple RR8000 4 Piston rockers is exclusively available through 4 Piston Racing.  It features struts for improved rigidity and high quality lash adjusters that last longer than other brands.  This rocker is essential if you are wanting to run camshafts over .600\" lift.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471322419337,"sku":"4P-RR8000","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/sam_4378_1.jpg?v=1605496247"},{"product_id":"304-04-0300","title":"Skunk2 K-Series PRO Series Cam Gears","description":"\u003cp\u003eAn engine’s camshafts must be set at their proper positions relative to the crankshaft in order to maximize horsepower. The Pro Series Cam Gear Set for Honda's K-series engines enables serious tuners to optimize horsepower and torque by being able to further adjust camshaft timing, allowing them to tailor the power curve appropriately. Thanks to laser-etched timing and directional marks, precise camshaft adjustments can be made quickly and easily. Pro Series Cam Gears feature precision-machined, hardened steel teeth to reduce premature wear with a signature, six-bolt design that eliminates gear slipping. Skunk 2’s Cam Gears remove VTC Control allowing for more precise camshaft center lining Skunk2’s lightweight design and CNC-machined, 7075-T6 billet aluminum construction reduces rotational inertia, resulting in increased engine response and acceleration. Skunk2’s adjustable cam gears have also been proven on race cars in the most extreme conditions for more than a decade.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":34471322910857,"sku":"304-04-0300","price":399.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/skunk304-05-0300.jpg?v=1605508174"},{"product_id":"304-05-5202","title":"Skunk2 B-Series PRO Series Cam Gears","description":"\u003cp\u003eAn engine’s camshafts must be set at their proper positions relative to the crankshaft in order to maximize horsepower. Pro Series Cam Gears for Honda's B-series and H23A1 engines enable serious tuners to optimize horsepower and torque by being able to adjust camshaft timing +\/- 10 degrees, in one-degree increments, allowing them to tailor the power curve appropriately. Thanks to laser-etched timing and directional marks, precise camshaft adjustments can be made quickly and easily. Pro Series Cam Gears feature precision-machined, hard-anodized teeth to reduce premature wear with a signature, six-bolt design that eliminates gear slipping. Skunk2’s lightweight design (35 percent lighter than OEM) and CNC-machined, 7075-T6 billet aluminum construction reduces rotational inertia, resulting in increased engine response and acceleration. 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