Holley 4150 ALUM DP 750 CFM Electric Choke

Holley has taken their two most popular double pumper carburetors and given them a modern twist with electric chokes. Now available in both 650 and 750 CFM options, you can choose from the classic zinc finish or a sleek polished look to match your ride.

The Holley Double Pumper® carburetors are an ideal choice for those seeking a performance boost for hot street cars and race machines. These carburetors have become legendary in the world of performance tuning. From their beginnings as the go-to carburetor for many classic muscle cars to their role in helping countless vehicles cross the finish line, the Double Pumper is a fantastic option for anyone looking to dominate the streets or the drag strip. Designed specifically for lightweight vehicles, these carburetors work beautifully with manual transmissions or automatic setups that feature high stall converters and low rear-end gearing.

Available in a gold dichromate or a stunning polished finish, the Double Pumper boasts dual accelerator pumps for that extra kick of fuel during initial acceleration. With mechanical secondaries, you'll enjoy impressive performance, while dual feed fuel inlets ensure a steady flow of high-volume fuel delivery. Plus, the electric choke makes warming up your engine a breeze. Trust your performance needs to Holley, the only modular carburetor manufacturer with over a century of experience, powering every NASCAR champion since the 1960s.

Important Downloads:

• Instructions for Part# 0-4779CE

Features:

• Shiny finish for corrosion resistance and that classic Holley aesthetic
• Optimized street/strip calibration that works right out of the box
• Electric choke for precise control during cold starts
• Mechanical secondaries for fantastic tire-spinning performance
• Dual accelerator pumps for an extra fuel boost at takeoff
• Dual feed fuel inlets for reliable high-volume fuel delivery
• Designed for lightweight vehicles with manual transmissions or automatics with high stall and low gearing
• Each unit is 100% wet-flow tested by Holley technicians to ensure it arrives ready to roll!
• Four corner idle adjustment allows for precise control of your idle system

Specifications:

• Barrels: 4
• Booster: Straight
• CFM: 750
• Choke: Electric
• Emission Code: 3
• Finish: Shiny
• Fuel: Gasoline
• Fuel Inlet: Dual
• Material: Aluminum
• Model: 4150
• Primary Main Jet: 70
• Primary Power Valve: 6.5
• Primary Pump Nozzle Size: 28
• Product Type: 4150 Model Carburetor
• Secondaries: Mechanical
• Secondary Main Jet: 81
• Secondary Pump Nozzle Size: 31
• Supercharged Application: No
• Throttle Bore: 1.688 inch
• Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port
• Warranty: Limited 90 Day

Notes:

• This carburetor features a square bore flange bolt pattern, making it compatible with Holley, Edelbrock, Carter AFB, and Autolite style carburetors that have a 5 3/16" x 5 5/8" bolt pattern. If you're using a spreadbore style intake manifold, you'll need an adapter for installation, similar to the Mr. Gasket #1932.