New set of 93mm 10.6:1 compression Vertex pistons, New cylinder & Winderosa top end gasket set for Polaris RZR 900 engines. WILL NOT FIT RANGER 900 MODELS.No core required For questions please call customer service. The item "POLARIS RZR 900 XP VERTEX PISTONS, GASKET SET, CYLINDER (STD BORE) 2011-2014" is in sale since Thursday, August 3, 2017. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "ewsmotorsports" and is located in Nine Mile Falls, Washington. This item can be shipped worldwide.