Water pump mechanical seal and bearing. Piston uses pump or race gas.We recommend that this be installed by a qualified mechanic with experience doing this type of work. The item "Rhino Grizzly 700 108 Big Bore Stroker Complete Engine Motor 815 Rebuild Kit" is in sale since Friday, May 12, 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.