Moose Racing Cast Aluminum Piston Kit - Standard Bore 66.35mm - MSE23630B

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 that are either nitride or chrome plated
Wrist pins are nitride coated providing a hardened wear resistant bearing surface
Piston rings are compatible with OEM pistons
Replacement rings are sold individually
Piston kits include piston, rings, wrist pin, and circlips