Holley Performance 0-4779C Double Pumper Carburetor
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Carburetor
Double Pumper Carburetor
Double Pumper Carburetor; Dichromate Finish; 4 bbl; 750 cfm; Model 4150; Mech. Secondary; Manual Choke; Gasoline; Dual Fuel Inlet;
- Barrel: Four
- Booster Type: Down Leg
- Carburetor Type: 4150
- CFM: 750
- Choke: Manual
- Emission: Without EGR
- Finish: Dichromate
- Flange: Square Bore
- Fuel Inlet: Dual
- Fuel Type: Gasoline
- Material: Zinc
- Primary Main Jet: 70
- Primary Power Valve: 6.5
- Secondary Main Jet: 80
- Secondary Pump Nozzle Size: 31
- Secondary Type: Mechanical
- Supercharged Application: No
- Throttle Bore: 1.688 in.
- Type: Automotive
- Usage: Street/Strip
- Vacuum Port Quantity: 1 timed (spark); 1 full; 1 PCV
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Gold Dichromate Finish For Corrosion Resistance w/Classic Look
- Optimized Street/Strip Calibration That Works Out Of The Box
- Manual Choke For Precise Cold Start Control
- Mechanical Secondaries For Awesome Tire Turning Performance
- 4 Corner Idle Allows You To Precisely Control Your Idle System
- Dual Accelerator Pumps For Add. Fuel Under Initial Acceleration
- Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
- Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
- 100% Wet Flow Tested By Holley Technicians
- Arrives Ready To Run
Holley Double Pumper 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. The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears. The Double Pumper is available in a gold dichromate or tumble polished shiny 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. Dont trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60s.
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.
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