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GYTR High Compression Piston Kit 1SL
The GYTR® 1SL (2014-2016 YZ450F) High Compression Piston Kit provides a performance boost throughout the RPM range while maintaining a high level of durability. Machined valve pockets provide additional valve clearance when used with higher lift camshafts. The kit includes piston rings, piston pin, and clips (uses stock replacements). Requires use of minimum 100-octane racing fuel.
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Two-ring design provides less drag and more horsepower than stock three-ring design
Boosts engine compression ratio to 14:1
Uses stock gaskets (not included)
Note: GYTR Oil Sprayer is required for installation
This accessory is restricted to closed-course competition use. See California Regulations regarding Emission-Related Parts and Accessories for products for closed-course competition use only.
Designed to fit these products
- YZ450F (2014-2017)