The 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.
- CNC Ported intake and exhaust ports
- OEM valve guides or optional bronze valve guides
- Valve job specific to your type of street driving or racing
- Optional valvetrain packages are in the checkbox area
- Road Race, Time Attack, Auto X
- Drag Race
- Street use and daily driving
- Gasoline, E85, Ethanol, Methanol
Features & Benefits
- 340+ CFM airflow, a massive improvement over stock and superior flow when compared to other offerings on the market
- Slow-cut precision 5-axis cnc porting, second to none on machining quality.
- Precision CNC valve job using the latest NEWEN Fixed Turning technology
- Full length bronze manganese guide for valve stability
- High velocity intake port design
- Unique power producing exhaust port design that outflows other heads. Boost response that will SET YOU BACK!!
- Our heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.
- Optional 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.
- Optional 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.
All heads require a core! You can send us your head, or purchase one from us at the current market price.
*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*