MOOSE RACING Piston Kit - 66.35 mm MSE23630B Quantum-X Solid Helmet Features an aramid fiber silencer

Features an aramid fiber silencer body

Completely conform to the case

lightweight thermal shirt with contrast stitching Pro Circuit factory flag logo on chest and Pro Circuit print on sleeve Screen printed with quality inks 60% Cotton/40% Polyester construction

Manufactured from high-grade aluminum

MOOSE RACING Piston Kit - 66.35 mm MSE23630B Quantum-X Solid Helmet Features an aramid fiber silencerGravity 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