SCE Gaskets Big Block Chevrolet MK4 4.630 X .050 Pro Copper Head Gaskets (PR)

Pro Copper Head Gaskets, for 1965-1990 396-454 Mark 4 Big Block Chevrolet.
Bore Opening: 4.630?; Gasket Thickness: .050?; 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.

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