04.5-05 GM Duramax LLY Head Gasket Kit - 10100

Included in the Base kit: OEM Grade C Right and Left Head Gaskets 36 New OEM Replacement Head Bolts Upper valve cover gaskets (now included in kit) All Needed Seals And Gaskets NOT INCLUDED in the kit : Lower thin steel valve cover gaskets- reusable Exhaust manifold gaskets -available as an upgrade option.