Holley 0-4777C Model 4150 Double Pumper 650 CFM Square Bore 4-Barrel Mechanical Secondary Manual Choke New 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
100-percent wet-flow tested and calibrated for street drivability
Manufacturer Parts Warranty Description: Parts
Details: 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. The 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.