Description PN: FEL-1009 Mopar Big Block 1958-1979 Fel-Pro performance head gaskets feature a PermaTorque/blue gasket body with a solid-steel core to minimize torque loss and gasket blowout. 4.410 in. Bore, .039 in. compressed thickness, Big Block Mopar head gasket. Fel-Pro performance head gaskets also have a wire-ring combustion seat with stainless steel “armor” for extra sealing force around combustion chambers. Made with a pre-flattened steel-wire ring, Fel-Pro performance head gaskets have the strength of steel-wire sealing and the minimum brinelling of aluminum heads. All big block Mopar, except Hemi.
