Description
COMETIC GASKETS 4.630 MLS Head Gasket .040 - BBC Brodix C5434-040 Cylinder Head Gasket - 4.630 in Bore - 0.040 in Compression Thickness - Multi-Layer Steel - Brodix Head - Big Block Chevy - Each A Big M Dart Block with Big Duke Heads may have problems sealing because the gasket over hangs on the outer edge.