SCE Pro Copper Cylinder Head Gasket - 4.520 in Bore - 0.043 in Compression Thickness - Copper - Big Block Chevy P145243 Road Racing Seat Note that this is the

Note that this is the flange pattern used on the two piece oil seal crankshafts

Fits the following intake manifolds: Holley 105mm Hi-Ram

AFR's LSX cylinder head offers unmatched flow performance and features 2

Able to withstand direct heat of up to 1350F

SCE Pro Copper Cylinder Head Gasket - 4.520 in Bore - 0.043 in Compression Thickness - Copper - Big Block Chevy P145243 Road Racing Seat Note that this is theProduct Description: Cylinder Head Gasket Pro Copper 4. 520 in Bore 0. 043 in Compression Thickness Copper Big Block Chevy Sold Individually SCE Gaskets specializes in gaskets for nearly every part of the engine that requires a gasket. They offer a variety of different materials for a large selection of applications. SCE has raised the bar for cylinder head sealing performance and consistency. Our new Gas Stopper enhancement to MLS Spartan head