Originally Posted By RapidRobert
I have a pair of OE 915 BB iron heads. straight plugs. 2.08/1.74 std valves (iirc). I could measure the port openings if requested but yours ain't those. EDIT my exhaust valves might be 1.60" MORE EDIT Ma never made an angled SB/BB head (there is a SB 915 head).


I'll ask him again on the angle plugs. These are big block heads. Huge ports, large intake and exhaust and closed chamber.

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