The GYTR High Compression Piston Kit provides a performance boost throughout the RPM range while maintaining a high level of durability.
- Forged aluminum construction that is CNC machined to exact tolerances for performance and durability.
- Machined valve pockets provide additional valve clearance when used with higher lift camshafts.
- The kit includes piston, piston rings, piston pin, and clips (uses stock replacements).
- Notes: Requires use of minimum 100-octane racing fuel. This accessory may be restricted to closed-course use. This performance accessory does not meet California standards for off-road recreational vehicle usage regardless of model year.
Detailed Specifications:
- YFZ450 Application:
- Boosts engine compression ratio to 13.0:1.
- 1.5 to 3 HP increase throughout most of the power band.
- No crank rebalancing necessary.
- Note: GYTR Top End Gasket Kit (sold separately) required for installation.
- YFZ450R Application:
- Boosts engine compression ratio to 13.2:1.
- 1.5 to 3 HP increase throughout most of the power band.
- No crankshaft rebalancing necessary.
- Note: Uses stock gaskets (not included).
GYTR P/N: GYT-5D305-00-00.
