Includes all gaskets and o-rings necessary to complete a crank (bottom end) and piston (top end) rebuild. Competitive pricing made to meet and exceed OEM quality and designed as a direct OEM replacement. The Whites Complete Gasket Set is your one-stop shop for engine rebuilds. Designed for OEM replacement. Made from high-quality materials. Meet or exceed OEM specifications. Competitive pricing. Fits: Yamaha YZ250 2002-2008 2011-2015 2017-2018 YZ250X 2016