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/ 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 Utilises 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 installNote:For maximum performance and protection Yamaha highly recommend to use our Yamalube® 4-R Performance Oil with Ester.