Every gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated base gasketsBlue Viton valve stem sealsAluminum Foam Material (AFM) race-style exhaust gasketsComplete kits include motor gasket kit plus primary, derby and inspection cover gasketsMade in the U.S.A.

EXTREME SEALING TECHNOLOGY (EST) COMPLETE MOTOR GASKET KITS