ATHENA YZ 125 BIG BORE KIT Athena - 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 are bolt-on; no machining required except where noted