SCE Gaskets Big Block Chev MK4 4.570 X .04 3 Pro Copper Head Gaskets(PR)

Pro Copper Head Gaskets, for 1965-1990 396-454 Mark 4 Big Block Chevrolet. Bore Opening: 4.570″; Gasket Thickness: .043″; Material: Annealed Copper; Package Contents: 1 Pair. These gaskets require O-rings in block or head. For Self Sealing Copper Gaskets to be used with O-rings please see Titan Head Gaskets. For Self Sealing Copper Gaskets to be used without O-rings, please see ICS Titan Head Gaskets.

Specifications

Weight: 2.125 lbs

Dimensions: 6 x 6 x 3 in

Bore Opening: 4.570"

Gasket Thickness: .043"