Ultra Double Pumper® Carburetor; 4 bbl; 650 cfm; Model 4150; Mech. Secondary; Electric Choke; Dual Fuel Inlet; Gas; Shiny Blue 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.
- Metering Blocks Base Plate For Good Looks True Gasket Sealing
- Aluminum Construction For A 43% Weight Savings
- Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
- 100% Wet Flow Tested By Holley Technicians
- 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
- Clear Fuel Level Sight Glass No Mess Fuel Level Adjustments
Application Summary:
| Year |
Make/Model |
| Electric |
Choke Mechanical Secondaries |
Additional Information:
