main image GYTR High Compression Piston Kit 1SL
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GYTR High Compression Piston Kit 1SL

SKU #1SL-E16A0-V0-00
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.

Also required for installation
GYTR Oil Sprayer
GYTR Oil Sprayer
  • YZ450F (2014-2017)