ATHENA Top-End Gasket Kit

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. 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. Specifically designed for the pro, semi-pro and amateur rider. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Freshens up their engine prior to a race or during mid-season. Kits do not include valve stem seals, rubber parts, shims, or other fiber gaskets. Kits do not include valve stem seals, rubber part, shims or other fiber gaskets..