Athena P400485600039 - Athena Top End Gasket Kit For Gas Gas EC250F 2013-2015

Features: Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Kit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine compression ratios. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits include a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine compression ratios. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kit do not includes valve stem seals, rubber part, shims or other fiber gaskets.. Kits do not include valve stem seals, rubber parts, shims, or other fiber gaskets. Kit does not include valve cover gasket..