GYTR® High Compression Piston Kit
Piston kit to replace the original piston to increase performance.
• Provides a performance boost throughout the RPM range while maintaining a high level of durability
• The special 2-ring design provides less drag and more horsepower than the stock 3-ring design
• The CNC machined forged aluminum piston also helps boost the engine compression ratio to 14:1
• Includes piston rings, piston pin, and clips (uses stock replacements)
• Uses stock gaskets (not included)
• This piston requires use of a minimum 100-octane racing fuel
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.