COMETIC GASKETS – 4.630 MLS Head Gasket .040 – BBC Brodix
CAGC5434-040
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.