Fuel distribution is refined by eight equally spaced orifices in the booster rings that replace down-leg boosters which simply dump raw fuel into the venturi. The AVS2 is unaffected by engine backfires since there are no power valves to blow out.
Edelbrock 1904 Thunder Series AVS Carburetor
Edelbrock 1477 Carburetor Rebuild Kit for Performer & Thunder Series Carbs
????Fuel Line 8126 For Performer Series and Thunder Series AVS Carbs
Thunder Series HEI Distributor Coil Cover Only - Black
Thunder Series HEI Distributor Coil Cover Only - Red