Athena Yamaha Raptor/Rhino 108mm Billet 4.250 x .043 Pro Copper Head Gasket 1975-buick-century-special-esi6145948 4" Inlet x 8" Outlet

4" Inlet x 8" Outlet x 15" Overall Length

Outflows Factory Intercooler by 21%

there is the option to add a hand-crafted carbon fibre diffuser

Replaces OE Decklid

Momentum HD sealed air intake systems are designed using the most up-to-date engineering tools and techniques to provide you with the perfect blend of power and protection

Athena Yamaha Raptor/Rhino 108mm Billet 4.250 x .043 Pro Copper Head Gasket 1975-buick-century-special-esi6145948 4" Inlet x 8" OutletThe head gasket is a complex and crucial technological component. To meet the ongoing needs of the market, Athena conducts meticulous checks on its head gaskets, both during the design phase and during bench tests. Athena head gasket can be produced using different technologies, such as metal elastomer combinations or multilayer with Athena steel and coating materials. Choosing a Top quality gasket is the first step towards a reliable engine. Perfect