Outlaw Racing OR3957 Top End Gasket Set Honda CRF100F 2004-2013 XR100R 1992-2003 Kit Exactly what you need to get your bike or ATV rebuilt and running right! Made to exact OEM specs but with better materials such as Stainless Steel, Fluoroviton, and Teflon so it lasts longer. Kits will contain the exact gaskets, seals, and O-rings you need to re-assemble your top end after a standard rebuild (Set is for stock bore). Requires no trimming or modification!