COMETIC Engine Gasket Kit - Big Twin - C10091

Every gasket in these kits uses the best materials possible for its intended application. Multi-Layer Steel (MLS) head gaskets. Steel Viton®-coated base gaskets. Blue Viton valve stem seals. Aluminum Foam Material (AFM) race-style exhaust gaskets. Complete kits include motor gasket kit plus primary, derby and inspection cover gaskets (where applicable). Made in the U.S.A..