All 1965 and 1966 and some 1967 Pontiac V8's used AFB manifolds and all will fit your 326. In 1967 some used Quadajet carbs and all 1968 through 1971 Pontiac V8's used them. Those manifolds also will fit your 326. Try to get manifold and carb because there are differences between the carbs and it is always easier to use the correct carb.
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