Ultra Double Pumper® Carburetor; 4 bbl; 750 cfm; Model 4150; Mech. Secondary; Electric Choke; Gasoline; Dual Fuel Inlet; Hard Gray Metering Block/Base Plate w/Gold Hardware;
Holley Double Pumper(R) carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile. Electric Choke Mechanical Secondaries
Features & Benefits
Metering Blocks Base Plate For Good Looks True Gasket Sealing
Arrives Ready To Run
Optimized Street/Strip Calibration That Works Out Of The Box
Factory Preset Electric Choke For Easy Startups
Mechanical Secondaries For Awesome Tire Turning Performance
4 Corner Idle Allows You To Precisely Control Your Idle System
Misc. Pump Nozzle
Aluminum Construction For A 43% Weight Savings
Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing