MOOSE RACING Piston Kit 66.36 mm MSE22521B

Gravity 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 sold individually