Re: 24 NOS Aluminum heads?
Those heads a certainly cool.
I could be wrong, but I thought all "Denver" heads were cast iron and had part an "S" in the part number.
For example: 81AS - 81SB - 99AS - 99SB- 19AS
Last edited by Tim Ayers; 10-31-2022 at 10:03 AM.
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