This is just for a quick ID on some of the 4 barrel carbs aout there. Keep in mind there will be some differences based on exact carb model/part number in each type & with changes done to them over the years. Fill free to add any helpful info.
QJet-Chevy version QJet-BOP version Holley spread bore Qjet replacement
Holley 4150 square bore Holley 4160 square bore Holley Dominator has it's own square bore pattern
Carter AFB square bore Edelbrock square bore Summit M2008 series square bore
Demon Street Series square bore Demon Speed Demon square bore Carter Thermoquad spread bore
QJet-Chevy version QJet-BOP version Holley spread bore Qjet replacement
Holley 4150 square bore Holley 4160 square bore Holley Dominator has it's own square bore pattern
Carter AFB square bore Edelbrock square bore Summit M2008 series square bore
Demon Street Series square bore Demon Speed Demon square bore Carter Thermoquad spread bore
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