Athena R2706-081 - Athena Top End Race Gasket Kit For Gas Gas EC450F 2024-2025

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