FITS ALL POLARIS PREDATOR 500 YEARS AND MODELS! 105mm NIKASIL cylinder - No steel sleeve! JE 12.5:1 piston kit. Cometic top end gasket kit. No modification is required to use this kit.We recommend that this be installed by a qualified mechanic with experience doing this type of work. The item "03-07 Predator 500 Cylinder Big Bore Kit Top End Rebuild JE Piston 223338 C7996" is in sale since Tuesday, May 23, 2017. 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.