Athena 70200 Big Bore Complete Cylinder Kit (70cc Bolt On) - 47.66mm Bore. (70cc Bolt On) - 47.66mm Bore.
This is a competitively priced product. Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets. Forged piston with molybdenum coating. All are bolt-on; no machining required.