Athena Big Bore Cylinder Kit (144cc) – 4.00mm Oversize to 58.00mm, 14:1 Compression P400485100030

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jacketsIncludes Forged piston, rings, clips and pinAthena top-end gasket set includes required seals and hardwareEasy-to-follow step-by-step installation instructionsMost