FITS ALL RAPTOR/WARRIOR 350 MODELS AND YEARS. Wiseco or JE forged pump gas piston. Complete gasket kit - MLS head gasket base exhaust case covers pump covers. This is a bolt on kit with no machining required.Piston uses pump or race gas. Everything is new in the original packaging. We ALWAYS STRONGLY recommend that this be installed by a qualified mechanic with experience doing this type of work. Piston comes with specific instructions for setting ring gap. If you do not follow these your motor will fail. The item "Raptor Warrior 350 Rebuilt Motor Engine Rebuild Kit Complete Bottom End Crank" is in sale since Thursday, July 18, 2019. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "bpracingatv" and is located in Upland, California. This item can be shipped worldwide.