Cometic 89-92 Polaris Big Boss 250 4x6 73.5mm Bore Top End Gasket Kit 2015-arctic-cat-1000-xt-base-esi6578435 The Center Inlet / Center

The Center Inlet / Center Outlet necks are 3

heat treated steel plates

Piston ring-seals

offering durable construction

Cometic 89-92 Polaris Big Boss 250 4x6 73.5mm Bore Top End Gasket Kit 2015-arctic-cat-1000-xt-base-esi6578435 The Center Inlet / CenterToday's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles,