GYTR® Ported Cylinder Head Assembly
Fully assembled cylinder head to replace the original to increase performance.
• Ensures the ultimate in performance with durability
• Provides highest level of performance
• Every head is CNC ported to the maximized design, eliminating variances that hand porting supports
• Utilizes OE valve train
• Developed on the flow bench in conjunction with dyno and track testing
• GYTR® Performance Camshafts are installed as well as stock valve train and cam gears for durability and easy maintenance
• Ready to install
This accessory is restricted to closed circuit racing use only.
For maximum performance and protection Yamaha highly recommend to use our Yamalube® 4-R Performance Oil with Ester.