Description

750 CFM – 4150 – Mechanical Secondaries – Gold Dichromate – GasolineClassic Zinc finish for corrosion resistance and classic Holley looksOptimized street/strip calibration that works out-of-the-boxElectric choke for precise cold start controlMechanical secondaries for awesome tire turning performanceDual accelerator pumps for additional fuel under initial accelerationDual feed fuel inlets for constant high volume fuel deliveryIntended for lightweight vehicles w/ manual trans or automatics with high stall low gearing100% wet-flow tested by Holley technicians to assure it arrives ready to run!4 corner idle allows you to precisely control your idle systemHolley upgraded their two most popular sizes of double pumper with electric chokes. The 650 and 750 CFM models are available in the classic zinc and shiny polished finishes.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 an electric choke for easy control of engine warm up. Don’t 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 60’s.

Barrels: 4

Body Color: Gold Dichromate

Body Finish: Plated

Body Material: Aluminum

Booster Design: Straight

Booster: Straight

Carburetor Material: Aluminum

Carburetor Use: Performance and Race

CFM Rating:750

Choke Type: Electric

Choke: Electric

Color: Gold Dichromate

Condition: New

Cubic Feet Per Minute Rating: 750

Finish: Gold Dichromate

Flange Shape: Square

Flange Type: Square/4150

Fuel Inlet: Dual

Fuel Type: Gasoline

Fuel: Gasoline

Grade Type: Performance

Linkage Attached: Yes

Marine Approved: No

Material: Aluminum

Model: 4150

Mounting Hole Quantity: 4

Primary Jet Diameter: 70

Primary Main Jet Size:70

Primary Power Valve: 6.5

Primary Pump Nozzle Size: 28

Secondary Barrel Type:Mechanical

Secondary Main Jet Size:81

Secondary Pump Nozzle Size: 31

Spacer Included: No

Supercharger Compatible:No

Throttle Bore Diameter:1.688 inch

Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port