Athena P400485600187 - Athena Top End Gasket Kit For Yamaha WRF250 2015-2018

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.