MOOSE RACING Piston Kit - 66.35 mm MSE23630B Quantum-X Solid Helmet This undertail kit also features

This undertail kit also features out latest brightest LED turn signals and license plate light

Pro Race Piston increases the durability by reducing the stresses in the pin bore area

Features an aramid fiber silencer body

WILL NOT FIT ON 15-21 YZ125/250

MOOSE RACING Piston Kit - 66.35 mm MSE23630B Quantum-X Solid Helmet This undertail kit also featuresGravity cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion, thus providing a longer piston life Coated skirts ease break in, decreasing wear and aiding in lubrication Wear resistant piston rings Wrist pins are nitride coated, providing a hardened, wear resistant bearing surface Piston rings are compatible with OEM pistons Piston kits include piston, rings, wrist pin and circlips Replacement rings are