Description

CYLINDER WORKS BIG BORE KIT +3MM YZ450F ’03-05 WR450F ’03-06 23001-K02

Features

• All piston skirts are coated with a hi-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
• Forged Big Bore pistons increase engines displacement, torque, and peak horsepower
• All pistons are heat treated with a T-5 hardening and tempering cycle
• Kits include piston, rings, wrist pin and circlips

Fitment