1957-65 Pontiac AFB´s uses the one to the left, #1A-124.
1966-67 Pontiac AFB´s uses the one to the right, #1A-226.
1960 (Special) and 1961 Tempest Super Duty uses #1A-119 with the preheating slot ahead of the primary ports and steel baffle on top of gasket.
The 4242S is a 1967 Pontiac 400 Carter AFB.
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1966 GTO Tri-Power
1970 GTO TheJudge
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