The GYTR 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.

This accessory may be restricted to closed-course use.

IMPORTANT: GYTR Oil Sprayer (1SL-E16B0-V0 sold separately) is required for GYTR High Compression Piston Kit.

Fits:

• 2014 – 2017 YZ450F
• 2016 YZ450FX