Big Block Chevy Casting Numbers Heads – Used on 396ci, 402ci, 366ci truck,. 325, 350, 375, 2&4 bolt : 390, 425, 2&4 bolt : Use these numbers to identify your stock chevy intake.

This information has been gathered from several sources and has not been verified. Can your guys please help me out regarding some heads! Oval port, open chamber, gen.v & vi 454, 118cc chambers. Casting # 3993820 if i search it tells me they are 113cc oval port for 1971 402/454.

Big Block Chevy Casting Numbers Heads

Big Block Chevy Casting Numbers Heads

It is usually found on the top of the head in between two valves and the. The chevy cylinder head casting codes are one of the best ways to identify a chevy cylinder head. Oval port, open chamber, 1969 396/265hp, 366 tall deck, 427 tall deck, 112cc chambers.

(photo courtesy vintage big blocks). December 25, 2010 (4774 days ago) loaded in 1. Chevy casting number identification including block casting numbers, cylinder head casting numbers,.

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Purchase Set of original 1967 396427 heads for a Big Block Chevy

Purchase Set of original 1967 396427 heads for a Big Block Chevy

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Purchase Set of original 1967 396427 heads for a Big Block Chevy

Purchase Set of original 1967 396427 heads for a Big Block Chevy