Holley 0-4776C Double Pumper Carburetor

Mechanical secondary dual accelerator pump for additional fuel under initial acceleration Dual feed fuel inlet with mechanical secondary type Dichromate finish with center hung floats. Primary Power Valve-6.5. Primary Pump Nozzle Size-28. Secondary Pump Nozzle Size-31 Manual choke for easy control of engine warm up 100-percent wet-flow tested and calibrated for street drivability This carburetor features dual metering blocks, power valve blow-out protection, dual feed fuel inlets, and dual accelerator pumps to allow fine tuning of the secondary jetting. A manual choke is used for easy control of engine warm-up and a center hung float is also included. This carburetor is calibrated for gasoline.