The GYTR Ported Cylinder Head Assembly comes fully assembled and ready to install with no costly core changes, deposits or exchange programs that can add downtime. CNC milling helps eliminate the variances that hand porting can produce. The head was developed on the flow bench in conjunction with dyno and track testing to ensure the ultimate in performance and durability. GYTR Head Assemblies are used by Yamaha SX/MX and ATV Race Teams.
Includes:
GYTR Performance Camshaft Kit (1SM-E21F0-T0) Stock valve train and cam gears
This accessory is restricted to closed-course use.
Note: GYTR Air Boot (1SM-E41H0-V0) is recommended for the GYTR Ported Cylinder Head Kit
Hi Performace Camshaft Kit is available separately as a replacement item, 1SM-E21F0-T0
Fits:
- 2014 – 2016 YZ250F