Yamaha

33D-E16A0-V0-00

Yamaha 33D-E16A0-V0-00 GYTR High Compression Piston Kit for Yamaha YZ450F

Pistons

Fits '10-'11 YZ450F

Forged aluminum construction that is CNC machined to exact tolerances for performance and durability. Raises compression ratio for a performance boost throughout the rpm range. 2-ring design has less drag than 3-ring design resulting in additional horsepower. Machined valve pockets provide additional valve clearance when used with higher lift camshafts. Kit includes piston rings, piston pin and clips. Requires 100 octane race gas. Raises compression ratio to 13.5:1. Uses stock rings pin and clips for convenience.

Mix me 4447