Athena S4C05400016A Cast Lite Piston Kit (A) - Standard Bore 53.94mm engine-cylinder-heads Both models let riders enjoy

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Athena S4C05400016A Cast Lite Piston Kit (A) - Standard Bore 53.94mm engine-cylinder-heads Both models let riders enjoyBore: 53. 94mm Sizing: Standard Bore Cast Piston. 2 stroke pistons are made from 4032 silicium. Both include 3% copper in materials for better heat resistance. All pistons are forged using a precision heat treatment process that allows for production tolerances of just . 005mm. Forged piston kits are available in A, B and C sizing. Forged piston tooling allows for the lightest available product. Kits include antiwear coated piston, rings, pin and