Holley Classic 750 CFM Double Pumper Carburetor Proportioning Valves and Accessories All bars are hardened and

All bars are hardened and stress relieved

The 0-4412 is easily the winningest two-barrel carburetor on the market

2" Drop Spindles

Cross Shafts

Holley Classic 750 CFM Double Pumper Carburetor Proportioning Valves and Accessories All bars are hardened andHolley Double Pumper carburetors are the perfect performance upgrade for hot street cars and race vehicles. The Double Pumper is available in a gold dichromate finish and features dual accelerator pumps for additional fuel under initial acceleration, mechanical secondaries for great performance, dual feed fuel inlets for constant high volume fuel delivery and a manual choke for easy control of engine warm up.