Cometic Complete Gasket Kit For Harley Panhead Features: 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 Made in the USA