Description
Yamaha Factory racing horsepower now available for our YXZ racers. The GYTR Race Cylinder Head Assembly comes fully assembled with REM-finished GYTR race camshafts and CNC-ported head for increased flow, providing ultimate performance and reliability.
- Head surface decked for improved compression ratio from 11.5-12.5
- Stock valves, buckets, and springs are included for durability and easy maintenance
- Requires the use of the Power Commander® V by Dynojet Research®, sold separately
- Designed to be used with additional GYTR accessories for the ultimate engine performance
- Requires use of minimum 112-octane racing fuel (if this head assembly is used without other engine modifications, 110-octane racing fuel can be used)
Requires stock cam gears (not included).
This accessory is restricted to closed-course competition use.