Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#2
02-25-2005, 06:43 PM
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Re: LS-7 #990 head
Yes, the 990 head is a 454 rectangular port closed chamber replacement offered over the counter in the 70s. Since the LS7 was a crate engine I imagine it could be ordered with this head or an aluminum.
Jason 
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