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. Requires stock cam gears (not included).
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)
Backordered Item is currently backordered with the supplier and will ship out as soon as it's available.
Please contact us for more accurate release date information.