Pro Copper Head Gaskets without water holes for Chevrolet Mark IV Big Block
Bore Opening: 4.320″ Gasket Thickness: .062″

SKU: P13326NW Categories: , , Tag:
*Photo is a representation


Pro Copper Head Gaskets, for 1965-1990 396-454 Mark 4 Big Block Chevrolet, without water holes in block. Bore Opening: 4.320″; Gasket Thickness: .062″; Material: Annealed Copper; *Pro Copper head gaskets require O-rings in block or head* Package Contents: 1 Pair.
Pro Copper HG Inst    O-Ring Instructions
Qualifies for Contingency Payout in selected classes with proof of purchase and decals on both sides, see respective association websites for class posting details.

IHRA-logosm NHRA-Contngcy-logo-sm CIFCA logosm

Additional Information

Weight3.813 lbs
Dimensions6 × 6 × 3 in
Bore Opening


Gasket Thickness


No Water Holes