Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets. Forged piston black graphite or clear tin coating; includes rings, clips and pin. Athena top-end gasket set includes required seals and hardware. Most are bolt-on; no machining required except where noted.BIG BORE RACE CYLINDER KITS. Specially designed, high-performance, hard-anodized power valves (cannot use OEM). Include aluminum cylinder with nickel-carbide coating.
Specially designed, high-performance, forged OEM-style domed piston kit. Athena top-end gasket set including required seals and hardware. NOTE: All 4-stroke kits do not include cylinder head. We are here to assure you that we will always immediately address any concerns you may have.The item "Athena Big Bore Cylinder Kit 300cc P400485100042" is in sale since Sunday, July 29, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Big Bore & Top End Kits". The seller is "mxsouth" and is located in Jupiter, Florida. This item can be shipped worldwide.