Try the BKR6E. I use them in my Edelbrocks. They make it in a 7 as well which is colder.
ETA:The 6 would replace your 12, the 7 your 9
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'65 Tempest 467 3650# 11.30@120.31
Last edited by Scott65; 04-29-2021 at 06:34 AM.
Reason: Clarification
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