Cometic, cylinder base gasket set. SLS 3-5/8-3-3/4" big bore

84-99 Evo B.T. with 3-5/8" or 3-3/4" big bore cylinders (NU)

Front & rear gasket for one engine. .010" thick SLS (Single Layer Steel), a non-embossed steel core with a .001" thick coating of heat resistant nitrile rubber on both sides.