Cometic, cylinder base gasket set. Fiber 3-5/8" big bore

84-99 Evo B.T. with S&S cylinders (NU)

Front & rear gasket for one engine. .020" fiber, a premium hi-temperature, hi-density creep resistant material that requires no re-torquing, no additional sealants, is fuel resistant and asbestos free. Note: See 561171 gasket set for non-S&S cylinders.