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knucklehead cam cover I.D.

6.3K views 6 replies 4 participants last post by  Destralo Roach  
Ok, look at the top lump, see the corosion at the gasket surface, Knuck for shure, I think start used in 41 late to 47.

The 40 to early 41's were cast thick with the breather lugg in the vally witch was reused on the 51-53 pans.