{"title":"Camshafts","description":"","products":[{"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":"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":"4-piston-k-series-extreme-race-chain-guides","title":"4 Piston K-Series Extreme Race Chain Guide","description":"\u003cp data-mce-fragment=\"1\"\u003e4 Piston Extreme Race Chain Guides are one of the biggest breakthroughs EVER for K-Series engines.  This is the Achilles heel of this engine, and  you can now consider it resolved.  Honda's timing system is perfectly fine for lower rpm operation with stock camshafts and pump gasoline.  In a harsh racing environment, we have increased the RPM substantially, raised the spring pressures to handle this RPM, have installed camshafts with massive lift, and use fuels that contaminate the oil and break down the OEM chain guide.  A stock chain guide cannot handle the rpm.  The plastic starts moving back and for erratically and begins to stretch.  The racing fuels break down the plastic and soften it until it fails.\u003cbr\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1JrBz7SWuCM?si=iOig4-ycegYFnwyr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cbr\u003eOur one-piece design eliminates the movement of the guide against the aluminum and is made of a space-age material that is much stronger than aluminum, but is not broken down by ANY fuels including methanol and nitromethane.  The chain rides in a guided channel and the path of the chain has been altered to eliminate slap from the chain under extreme RPM conditions.  You can race on these guides for YEARS and when you take them out of the engine they will look brand new.  This can save you thousands of dollars per year in chain, guide, and tensioner maintenance....and much more by eliminating this critical failure point in these engines.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWhy are these better than other attempts at chain guides?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eThe one-piece design eliminates the guide moving back and forth against the metal.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWe didn't just duplicate a stock guide of alternate materials, we reshaped it to control the chain motion at high rpm.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eOthers use material to be compatible with fuels, but the plastic is brittle and fails faster than even a stock guide.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cb\u003eRace on it, and take a look....you cannot see any wear on these guides after use.  This material is super expensive, and used in all sorts of extreme applications....even replacement for critical human bones.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMADE IN THE USA 100%\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4 Piston Racing","offers":[{"title":"K24","offer_id":34539810095241,"sku":"4P-CHGUIDE-K-1","price":725.0,"currency_code":"USD","in_stock":true},{"title":"K20","offer_id":34539810128009,"sku":"4P-CHGUIDE-K-2","price":725.0,"currency_code":"USD","in_stock":true},{"title":"K24 Combo","offer_id":44949289173129,"sku":"4P-CHGUIDE-K24-Combo","price":1095.0,"currency_code":"USD","in_stock":true},{"title":"K20 Combo","offer_id":44949289205897,"sku":"4P-CHGUIDE-K20-Combo","price":1095.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/ChainGuide6.jpg?v=1764868102"},{"product_id":"4p-tr3-racing-camshafts-k20c1-type-r","title":"4P TR3 Racing Camshafts - K20C1 Type R","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\" mce-data-marked=\"1\"\u003e\u003cstrong\u003eIN STOCK!!\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" mce-data-marked=\"1\"\u003e\u003cstrong\u003eFits FK8 and FL5 Civic Type R\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 4P TR3 racing camshaft was specifically designed for our 2.0L K20C1 race engine program. The primary lobes allow for a stock idle and tame drivability perfectly suitable for everyday use in traffic, but with significant power gains over stock.  You will experience a much more audible and traditional VTEC crossover that was lost in the OEM K20C1 and much more RPM capability over an OEM camshaft.  These are made from a billet core camshaft to ensure maximum durability\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGains of 40-60+hp are realized through the RPM range, and more as you continue to pull beyond 8000 rpm.   Camshafts are supplied with cam card and VTC limiting pins with detailed photo for their placement.\u003c\/p\u003e\n\u003cp\u003eIntake Lift - 0.491\"\u003cbr\u003eIntake Duration - 234 @ 0.050\"\u003cbr\u003eExhaust Lift - 0.494\"\u003cbr\u003eExhaust Duration - 238 @ 0.050\"\u003cbr\u003e\u003cbr\u003e**Aftermarket Valve Springs are Required for the TR3 Camshaft.  They will coil bind a stock valve spring**\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRequired Valve Spring:\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4P Spring KIT TRKTR3\u003c\/li\u003e\n\u003cli\u003e**Ferrea KT4033 with SL1153 spring seat on exhaust cam**\u003cbr\u003e \u003cstrong\u003eSpring will Coil Bind if you do not use SL1153 spring seat on exhaust\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFerrea KT4038 can be used but it eliminates VTEC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eRecommended Rocker Arm:\u003c\/b\u003e\u003cbr\u003eOEM Honda Rocker Arm\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFK8 Test Data\u003cbr\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/4pistonracing.com\/blogs\/news\/k20c1-camshaft-testing\" data-mce-href=\"https:\/\/4pistonracing.com\/blogs\/news\/k20c1-camshaft-testing\"\u003eK20C1 Camshaft Testing - Unlocking the RPM, sound, and power we all lo – 4 Piston Racing\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFL5 Test Data\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/4pistonracing.com\/blogs\/news\/fl5-civic-type-r-4p-tr2-camshaft-install-and-dyno-test\" data-mce-href=\"https:\/\/4pistonracing.com\/blogs\/news\/fl5-civic-type-r-4p-tr2-camshaft-install-and-dyno-test\" data-mce-fragment=\"1\"\u003eFL5 Civic Type R - 4P TR2 Camshaft Install and Dyno Test – 4 Piston Racing\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":39525053104265,"sku":"4PR-CAM-TR3","price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/4PTR2TR3.1.jpg?v=1763661043"},{"product_id":"copy-of-4p-tr3-racing-camshafts-k20c1-type-r","title":"4P TR2 Drop-In Camshafts - K20C1 Type R","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\" color=\"#ff2a00\"\u003e\u003cb\u003eIN STOCK\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#ff2a00\"\u003e\u003cb\u003eFits FK8 and FL5 Civic Type R\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 4P TR2 drop-in camshaft was specifically designed for easy installation into a stock 2.0L K20C1, on a stock valve spring.  These can be easily installed in about 2 hours by an experienced technician....it may take you a touch longer if you are feeling your way through it. The primary lobes allow for a stock idle and tame drivability perfectly suitable for everyday use in traffic, but with significant power gains over stock.  You will experience a much more audible and traditional VTEC crossover that was lost in the OEM K20C1 and much more RPM capability over an OEM camshaft.  These are made from a billet core camshaft to ensure maximum durability.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGains of 25-40+hp are realized through the RPM range, and more as you continue to pull to 8000 rpm.   Camshafts are supplied with cam card and VTC limiting pins with detailed photo for their placement.\u003cbr\u003e\u003cbr\u003eStock valve springs are OK with this cam.  It is a true DROP IN.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecommended Valve Spring:\u003cbr\u003e\u003c\/b\u003eStock is acceptable\u003cbr\u003eSupertech is acceptable\u003cbr\u003eFerrea KT4033 and KT4038 are acceptable\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecommended Rocker Arm:\u003c\/b\u003e\u003cbr\u003eOEM Honda Rocker Arm\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFK8 Test Data\u003cbr\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/4pistonracing.com\/blogs\/news\/k20c1-camshaft-testing\"\u003eK20C1 Camshaft Testing - Unlocking the RPM, sound, and power we all lo – 4 Piston Racing\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFL5 Test Data\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/4pistonracing.com\/blogs\/news\/fl5-civic-type-r-4p-tr2-camshaft-install-and-dyno-test\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/4pistonracing.com\/blogs\/news\/fl5-civic-type-r-4p-tr2-camshaft-install-and-dyno-test\"\u003eFL5 Civic Type R - 4P TR2 Camshaft Install and Dyno Test – 4 Piston Racing\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":40194541486217,"sku":"4PR-CAM-TR2","price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/4PTR2TR3.1_5023e7de-e576-442a-9c62-7a260893b220.jpg?v=1763661004"},{"product_id":"4p-r40-billet-drop-in-camshafts","title":"4P R402 K24Z R40 Billet Drop-In Camshafts","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing the 4P R40 Billet Drop-in camshaft.\u003c\/strong\u003e  This camshaft is designed to be a straight DROP IN camshaft installation into a stock K24Z engine, even with the stock valve spring.  All stock rocker assemblies and control systems are used.  \u003c\/p\u003e\n\u003cp\u003eThis is a very easy to install cam that allows you maximize horsepower in your K24Z R40 based engine and can produce 15-30whp gains depending on the engine combination and your tuner's ability.  On turbocharged applications, expect well over 50whp gains at the same boost level.  The more the engine needs the airflow, the more the camshafts work.  You can also expect the powerband to be extended another 1000-1500rpm.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis single port R40 cylinder head arrangement and the K24Z7 engine is one that the aftermarket has avoided for various reasons.  The reality is that it is used in many motorsports applications that demanded solutions for more power, and it has some serious benefits.  We set out to prove the viability of this engine and its ability to produce power WITH the single port exhaust arrangement.\u003c\/p\u003e\n\u003cp\u003eThey will produce more with our Pro R40 CNC Cylinder Head which outflows any stock 4 port conventional K20 head.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDyno Tests shown are a built block with 12.8:1 compression, 4P Pro R40 CNC Cylinder Head, 4P R40 Camshafts and 93 octane PUMP GAS. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e328hp for the R402 DROP IN cam\u003c\/strong\u003e\u003cbr\u003e\u003cb\u003e344hp for the R403 Stage 3 cam\u003c\/b\u003e\u003cbr\u003eThe engine used in testing was configured so that we could back to back the Pro R40, our R40 Race Casting, and a conventional 4 port, and various camshafts.  We have put a lot of development into this engine, and can offer you an engine package that suits your specific racing needs, or simply give you the parts for big performance gains for your 9th gen.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":40808326267017,"sku":"4P-R402","price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/R40cam.5_e843c2f6-48e8-4a06-bb0f-0911e2a780cc.jpg?v=1668797851"},{"product_id":"4p-r403-k24z-r40-billet-stage-3-camshafts","title":"4P R403 K24Z R40 Billet Stage 3 Camshafts","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\" mce-data-marked=\"1\"\u003e\u003cstrong\u003eIN STOCK - Shipping Now!!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing the 4P R40 Billet Stage 3 camshaft.\u003c\/strong\u003e  This camshaft is designed to be a a performance upgrade over our drop-in camshaft.  It can be used in a stock engine, but will require a valve spring upgrade to handle the lift and RPM.  All stock rocker assemblies and control systems are used.  \u003c\/p\u003e\n\u003cp\u003eThis is a very easy to install cam that allows you maximize horsepower in your K24Z R40 based engine and can produce 25-50whp gains depending on the engine combination and your tuner's ability.  On turbocharged applications, expect 75+whp gains at the same boost level.  The more the engine needs the airflow, the more the camshafts work.  You can also expect the powerband to be extended another 1500rpm.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis single port R40 cylinder head arrangement and the K24Z7 engine is one that the aftermarket has avoided for various reasons.  The reality is that it is used in many motorsports applications that demanded solutions for more power, and it has some serious benefits.  We set out to prove the viability of this engine and its ability to produce power WITH the single port exhaust arrangement.\u003c\/p\u003e\n\u003cp\u003eThey will produce more with our Pro R40 CNC Cylinder Head which outflows any stock 4 port conventional K20 head.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDyno Tests shown are a built block with 12.8:1 compression, 4P Pro R40 CNC Cylinder Head, 4P R40 Camshafts and 93 octane PUMP GAS. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e328hp for the R402 DROP IN cam\u003c\/strong\u003e\u003cbr\u003e\u003cb\u003e344hp for the R403 Stage 3 cam\u003c\/b\u003e\u003cbr\u003eThe engine used in testing was configured so that we could back to back the Pro R40, our R40 Race Casting, and a conventional 4 port, and various camshafts.  We have put a lot of development into this engine, and can offer you an engine package that suits your specific racing needs, or simply give you the parts for big performance gains for your 9th gen.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":40808846852233,"sku":"4P-R403","price":1500.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/products\/R40cam.5.jpg?v=1668797874"},{"product_id":"4-piston-high-polish-timing-chain","title":"4 Piston Ultra High Polished Timing Chain","description":"\u003cp data-mce-fragment=\"1\"\u003eLooking for that extra edge? Do you fight for every last horsepower?  If so, the 4 Piston Ultra High Polish Timing Chain is made for you.  This is one of those products that you'll find in my own personal race engine...I do everything to be the best.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThis isn't some overseas cheap timing chain.  This is OEM quality with an ultra-high polish finish.  The polish not only glides smoothly over our PEEK 1 piece chain guides, the pins have less friction inside the bores making them last long and stretch less.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"K24","offer_id":43152266952841,"sku":"4P-HPCHAIN-K24","price":260.0,"currency_code":"USD","in_stock":false},{"title":"K20","offer_id":43152266985609,"sku":"4P-HPCHAIN-K20","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/4Pchain1.jpg?v=1764868102"},{"product_id":"4-piston-timing-chain-tensioner-k20-k24","title":"4 Piston Timing Chain Tensioner K20\/K24","description":"\u003cp data-mce-fragment=\"1\"\u003eThe 4P Timing Chain Tensioner pairs OEM build quality with an internal mechanical stop to prevent engine damage in the event of a failure.  These tensioners are robust and can last tens of thousands of miles, but sometimes in motorsports things happen.  In the event your car gets flipped around, flipped over, turns your engine forward then backward abruptly, missed gears and mechanical overrevs...that can be really hard on any tensioner.  The 4P tensioner is still hydraulic and operates just like OEM, but can catch on the mechanical stop should you ever have one of those unforeseen events.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eK20 and K24 Engines use the same part\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":43153985634441,"sku":"4P-KTENSIONER","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/4Ptensioner3.jpg?v=1764868102"},{"product_id":"oem-timing-chain-rebuild-kit-k24","title":"OEM K24 Timing Chain Rebuild Kit – Genuine Honda | 4 Piston Racing","description":"\u003cp data-end=\"205\" data-start=\"68\"\u003eComplete your K-Swap with the \u003cstrong data-end=\"131\" data-start=\"98\"\u003eultimate OEM Honda timing kit\u003c\/strong\u003e—everything you need to finish your build with confidence and reliability.\u003c\/p\u003e\n\u003cp data-end=\"344\" data-start=\"207\"\u003eThis kit includes the wider \u003cstrong data-end=\"264\" data-start=\"235\"\u003eupper (“top”) chain guide\u003c\/strong\u003e, providing increased surface area for smoother and more secure chain operation.\u003c\/p\u003e\n\u003cp data-end=\"451\" data-start=\"346\"\u003eAll components are \u003cstrong data-end=\"391\" data-start=\"365\"\u003e100% Genuine OEM Honda\u003c\/strong\u003e,—no aftermarket substitutions. These are the exact pieces used in our in house builds.\u003c\/p\u003e\n\u003ch3 data-end=\"474\" data-start=\"453\"\u003e\u003cstrong data-end=\"474\" data-start=\"457\"\u003eKit Includes:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"668\" data-start=\"475\"\u003e\n\u003cli data-end=\"503\" data-start=\"475\"\u003e\n\u003cp data-end=\"503\" data-start=\"477\"\u003e\u003cstrong data-end=\"503\" data-start=\"477\"\u003eK24 timing chain guide\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"536\" data-start=\"504\"\u003e\n\u003cp data-end=\"536\" data-start=\"506\"\u003e\u003cstrong data-end=\"536\" data-start=\"506\"\u003eK24 timing chain guide arm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"593\" data-start=\"537\"\u003e\n\u003cp data-end=\"593\" data-start=\"539\"\u003e\u003cstrong data-end=\"575\" data-start=\"539\"\u003eK20Z3 \/ Type R upper chain guide\u003c\/strong\u003e (wider top guide)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"616\" data-start=\"594\"\u003e\n\u003cp data-end=\"616\" data-start=\"596\"\u003e\u003cstrong data-end=\"616\" data-start=\"596\"\u003eK24 timing chain\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"668\" data-start=\"617\"\u003e\n\u003cp data-end=\"668\" data-start=\"619\"\u003e\u003cstrong data-end=\"652\" data-start=\"619\"\u003eTSX\/RSX-S PRB chain tensioner\u003c\/strong\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"854\" data-start=\"670\"\u003eGive your engine the durability and performance only \u003cstrong data-end=\"752\" data-start=\"723\"\u003efactory Honda engineering\u003c\/strong\u003e can deliver. Perfect for builders who want reliability, longevity, and OEM precision in their K-swap.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":44940264636553,"sku":"4P-OEMTIMINGKIT------K24","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/602A1816.jpg?v=1779201867"},{"product_id":"new-4p-tr2-5-racing-camshafts-k20c1-type-r","title":"NEW 4P TR2.5 Racing Camshafts - K20C1 Type R","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eIN STOCK!!\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eFits FK8 and FL5 Civic Type R\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIntroducing the NEW 4P TR2.5 racing camshaft!!  4 Piston continually develops and pushes for improvements across every platform. This new camshaft is a direct result of that constant push for improvement.  Our TR2 Drop-In cam changed the game making it easy for gains on simple setups, and our TR3 proved to be a great racing camshaft for racing engines with standalone ECUs like Motec.  The TR2.5 gives you those BIG TR3 gains, but in a design that works great with Hondata!!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasily tunable with Hondata\u003c\/li\u003e\n\u003cli\u003e20-30hp over 4P TR2 Camshafts, 60+hp over stock!\u003c\/li\u003e\n\u003cli\u003eBetter Street manners, less noise, more power!!\u003c\/li\u003e\n\u003cli\u003eMore aggressive VTEC POP...the thing that made us all fall in love with Honda engines\u003c\/li\u003e\n\u003cli\u003eTR3\/Motec type power for Hondata programmed vehicles\u003c\/li\u003e\n\u003cli\u003eImproved High Durability Camshaft Cores \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGains of 60+hp are realized through the RPM range, and more as you continue to pull beyond 8000 rpm.   Camshafts are supplied with cam card and VTC limiting pins with detailed photo for their placement.\u003c\/p\u003e\n\u003cp\u003eIntake Lift - 0.433\"\u003cbr\u003eIntake Duration - 226 @ 0.050\"\u003cbr\u003eExhaust Lift - 0.434\"\u003cbr\u003eExhaust Duration - 219 @ 0.050\"\u003cbr\u003e\u003cbr\u003e**Aftermarket Valve Springs are Required for the TR2.5 Camshaft.  They will coil bind a stock valve spring**\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRequired Valve Spring:\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFerrea Valve Spring Kit\u003c\/li\u003e\n\u003cli\u003e4P Spring KIT TRKTR3\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFerrea KT4038 can be used but it eliminates VTEC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eRecommended Rocker Arm:\u003c\/b\u003e\u003cbr\u003eOEM Honda Rocker Arm\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFK8 Test Data\u003cbr\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/4pistonracing.com\/blogs\/news\/k20c1-camshaft-testing\"\u003eK20C1 Camshaft Testing - Unlocking the RPM, sound, and power we all lo – 4 Piston Racing\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFL5 Test Data\u003c\/strong\u003e\u003cbr\u003e\u003ca data-mce-fragment=\"1\" href=\"https:\/\/4pistonracing.com\/blogs\/news\/fl5-civic-type-r-4p-tr2-camshaft-install-and-dyno-test\"\u003eFL5 Civic Type R - 4P TR2 Camshaft Install and Dyno Test – 4 Piston Racing\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":44949188051081,"sku":"4PR-CAM-TR2.5","price":1100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/4P.TR2.5.1.jpg?v=1763743703"},{"product_id":"4-piston-k-series-extreme-race-chain-guides-copy","title":"4 Piston K-Series Extreme Race Chain Guides Combo","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-12\" data-turn-id=\"request-WEB:17962bba-2596-4de7-ad68-4bf420538a79-5\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"e38514a9-4f24-4e44-b60f-f8138d6ee2a1\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" class=\"pointer-events-none h-px w-px absolute bottom-0\" data-edge=\"true\" aria-hidden=\"true\"\u003e\n\u003ch3 data-start=\"180\" data-end=\"258\"\u003e4 Piston Extreme Race Timing System For Honda K-Series Engines (K20 \/ K24)\u003c\/h3\u003e\n\u003cp data-start=\"260\" data-end=\"322\"\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e  Chain Guides, Ultra-High Polish Chain, Performance Tensioner\u003c\/p\u003e\n\u003cp data-start=\"324\" data-end=\"483\"\u003eThe Honda K-Series timing system works perfectly in stock form for stock RPM, stock camshafts, and pump gas. But in real racing conditions, everything changes.\u003c\/p\u003e\n\u003cp data-start=\"485\" data-end=\"690\"\u003eRPM is pushed far beyond factory limits.\u003cbr data-start=\"525\" data-end=\"528\"\u003eValve spring pressures are dramatically increased.\u003cbr data-start=\"578\" data-end=\"581\"\u003eCamshafts run massive lift and aggressive profiles.\u003cbr data-start=\"632\" data-end=\"635\"\u003eRacing fuels contaminate oil and attack OEM plastics.\u003c\/p\u003e\n\u003cp data-start=\"692\" data-end=\"795\"\u003eThis is where the factory system fails. The stock chain guide becomes the Achilles’ heel of the engine.\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"1036\"\u003ePlastic OEM guides begin to flex, move, and stretch under high RPM. Racing fuels soften the material until it deforms and ultimately fails. Chain slap increases, timing stability is lost, and catastrophic engine damage becomes a real risk.\u003c\/p\u003e\n\u003cp data-start=\"1038\" data-end=\"1114\"\u003eWith the 4 Piston Extreme Race Timing System, that weak point is now solved.\u003c\/p\u003e\n\u003ch3 data-start=\"1116\" data-end=\"1153\"\u003e\u003cstrong\u003eExtreme Race One-Piece Chain Guides\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1155\" data-end=\"1270\"\u003eOur one-piece chain guides are a complete re-engineering of the factory design, not a copy in a different material.\u003c\/p\u003e\n\u003cp data-start=\"1272\" data-end=\"1472\"\u003eThe one-piece construction eliminates movement against the aluminum head.\u003cbr data-start=\"1345\" data-end=\"1348\"\u003eReshaped geometry controls chain motion at extreme RPM.\u003cbr data-start=\"1403\" data-end=\"1406\"\u003eA guided channel design alters the chain path to eliminate slap.\u003c\/p\u003e\n\u003cp data-start=\"1474\" data-end=\"1708\"\u003eThe guides are made from a space-age composite material that is stronger than aluminum, immune to all fuels including methanol and nitromethane, unaffected by oil contamination, and used in extreme industrial and medical applications.\u003c\/p\u003e\n\u003cp data-start=\"1710\" data-end=\"1900\"\u003eUnlike other performance guides that simply replicate the OEM shape in brittle plastics, this design actively controls the chain at high RPM and survives conditions that destroy stock parts.\u003c\/p\u003e\n\u003cp data-start=\"1902\" data-end=\"1991\"\u003eRace on these guides for years. Remove them after a season and they still look brand new.\u003c\/p\u003e\n\u003cp data-start=\"1993\" data-end=\"2155\"\u003eThis alone can save thousands of dollars per year in chains, guides, and tensioners while eliminating one of the most critical failure points in K-Series engines.\u003c\/p\u003e\n\u003cp data-start=\"2157\" data-end=\"2186\"\u003eMade in the USA, 100 percent.\u003c\/p\u003e\n\u003ch3 data-start=\"2188\" data-end=\"2229\"\u003e4 Piston Ultra High Polish Timing Chain\u003c\/h3\u003e\n\u003cp data-start=\"2231\" data-end=\"2298\"\u003eThis chain is built for racers who fight for every last horsepower.\u003c\/p\u003e\n\u003cp data-start=\"2300\" data-end=\"2578\"\u003eThis is not a cheap overseas chain. It is OEM-quality and taken further with an ultra-high polish finish that reduces friction over the one-piece guides, allows smoother chain travel at high RPM, lowers internal pin friction, reduces stretch over time, and extends service life.\u003c\/p\u003e\n\u003cp data-start=\"2580\" data-end=\"2679\"\u003eThis is the chain used in our own race engines. Every detail matters when you are chasing the edge.\u003c\/p\u003e\n\u003ch3 data-start=\"2681\" data-end=\"2740\"\u003e4 Piston Timing Chain Tensioner For K20 and K24 Engines\u003c\/h3\u003e\n\u003cp data-start=\"2742\" data-end=\"2818\"\u003eThis tensioner combines OEM reliability with a critical motorsports upgrade.\u003c\/p\u003e\n\u003cp data-start=\"2820\" data-end=\"2967\"\u003eIt uses hydraulic operation just like stock and delivers OEM-level durability. An internal mechanical stop prevents collapse during extreme events.\u003c\/p\u003e\n\u003cp data-start=\"2969\" data-end=\"3081\"\u003eIn racing, things happen. Missed shifts. Mechanical over-revs. Spin-outs. Cars getting turned around or flipped.\u003c\/p\u003e\n\u003cp data-start=\"3083\" data-end=\"3303\"\u003eAny of these can shock the timing system. The 4 Piston tensioner retains normal operation, but if the unthinkable happens, the mechanical stop prevents total failure and helps protect the engine from catastrophic damage.\u003c\/p\u003e\n\u003cp data-start=\"3305\" data-end=\"3343\"\u003eK20 and K24 engines use the same part.\u003c\/p\u003e\n\u003ch3 data-start=\"3345\" data-end=\"3368\"\u003eThe Complete Solution\u003c\/h3\u003e\n\u003cp data-start=\"3370\" data-end=\"3482\"\u003eThis is not just a collection of parts. It is a fully engineered timing system built for real racing conditions.\u003c\/p\u003e\n\u003cp data-start=\"3484\" data-end=\"3726\"\u003eIt eliminates chain guide failure, controls chain motion at extreme RPM, reduces friction and stretch, adds protection against catastrophic events, saves money in long-term maintenance, and removes a critical weak point from K-Series engines.\u003c\/p\u003e\n\u003cp data-start=\"3728\" data-end=\"3846\"\u003eIf you are running high RPM, high spring pressure, aggressive camshafts, or racing fuels, this system is not optional.\u003c\/p\u003e\n\u003cp data-start=\"3848\" data-end=\"3864\"\u003eIt is essential.\u003c\/p\u003e\n\u003cp data-start=\"3848\" data-end=\"3864\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1JrBz7SWuCM?si=iOig4-ycegYFnwyr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"4 Piston Racing","offers":[{"title":"K24 Combo","offer_id":44992258048137,"sku":"4P-CHGUIDE-K24-Combo","price":1095.0,"currency_code":"USD","in_stock":true},{"title":"K20 Combo","offer_id":44992258080905,"sku":"4P-CHGUIDE-K20-Combo","price":1095.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/thumbnail_4P_race_chain_guides_TENSIONER_CHAIN_COMBO.png?v=1764868102"},{"product_id":"oem-k24-timing-chain-rebuild-kit-genuine-honda-4-piston-racing-copy","title":"OEM K24Z7-Z3\/R40 Timing Chain Rebuild Kit – Genuine Honda | 4 Piston Racing","description":"\u003cp data-end=\"205\" data-start=\"68\"\u003eComplete your K-Swap with the \u003cstrong data-end=\"131\" data-start=\"98\"\u003eultimate OEM Honda timing kit\u003c\/strong\u003e—everything you need to finish your build with confidence and reliability.\u003c\/p\u003e\n\u003cp data-end=\"344\" data-start=\"207\"\u003eThis kit includes the wider \u003cstrong data-end=\"264\" data-start=\"235\"\u003eupper (“top”) chain guide\u003c\/strong\u003e, providing increased surface area for smoother and more secure chain operation.\u003c\/p\u003e\n\u003cp data-end=\"451\" data-start=\"346\"\u003eAll components are \u003cstrong data-end=\"391\" data-start=\"365\"\u003e100% Genuine OEM Honda\u003c\/strong\u003e,—no aftermarket substitutions. 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Perfect for builders who want reliability, longevity, and OEM precision in their K-swap.\u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":46148940005513,"sku":"4P-OEMTIMINGKIT-----R40","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4800\/7561\/files\/r401.jpg?v=1777570707"},{"product_id":"oem-k20-timing-chain-rebuild-kit-genuine-honda-4-piston-racing","title":"OEM K20 Timing Chain Rebuild Kit – Genuine Honda | 4 Piston Racing","description":"\u003cp\u003eComplete your K-Swap with the \u003cstrong\u003eultimate OEM Honda timing kit\u003c\/strong\u003e—everything you need to finish your build with confidence and reliability.\u003c\/p\u003e\n\u003cp\u003eThis kit includes the wider \u003cstrong\u003eupper (“top”) chain guide\u003c\/strong\u003e, providing increased surface area for smoother and more secure chain operation.\u003c\/p\u003e\n\u003cp\u003eAll components are \u003cstrong\u003e100% Genuine OEM Honda\u003c\/strong\u003e,—no aftermarket substitutions. 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