Athena Piston Kit (152cc Big Bore) (A) - 5.00mm Oversize to 63.00mm, 10.0:1 Compression - S4C06300003A

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 circlip
Made in Germany