For Sale, all brand new in box, never installed: >Pair of GM P/N 12363400 -- Bowtie BBC Aluminum heads, rectangle intake port, 118cc semi-open chamber, 2.25"/1.88" valves, complete as assembled by GM. Casting # 12363401 . >Pair of GM P/N 12363413 -- BBC head gaskets; correct for above heads. >Full engine set GM P/N 12367779 -- BBC head bolt & washer set; correct for above heads.
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FS: BBC Bowtie Aluminum Heads NIB
