CARBURETOR,4150,750CFM,ULTRA,MECHANICAL,ELECTRIC,SHINY/BLACK

Brand New Holley Ultra Double Pumper Carburetor, Black Billet & Aluminum Finish, 750 CFM, Electric Choke, Mechanical Secondaries, Compatible with 4150 Model (Part #0-76750BK).

The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction, anodized billet aluminum metering blocks and base plate, 4 corner idle for precise idle control & dual accelerator pumps for additional fuel under initial acceleration.

Mechanical Secondaries for great performance, clear fuel level sight plugs for easy, no mess fuel level adjustments. Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories, & factory pre-set electric choke for easy, fast cold start-ups.

NOTE: This carburetor has square bore flange bolt pattern. It replaces Holley, Edelbrock, Carter AFB & Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you need an adapter to install this carburetor, similar to Mr. Gasket #1932.

• Shiny with black anodized billet aluminum metering blocks/base plate
• 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
• Built in, clear fuel level sight glass for easy, no mess fuel level adjustments
• Aluminum construction for a 43% weight savings
• Compatible with GM, CHRYSLER & Ford A/T kickdown linkage
• Intended for lightweight vehicles with manual trans or auto with high stall & low gearing
• 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Specs:

• Barrels: 4
• Billet Color: Black
• Booster: Down Leg
• Brand: Holley
• Carburetor Use: Performance and Race
• CFM: 750
• Choke: Electric
• Finish: Shiny
• Fuel: Gasoline
• Fuel Inlet: Dual
• Material: Aluminum
• Model: 4150
• Primary Main Jet: 73
• Primary Power Valve: 6.5
• Primary Pump Nozzle Size: 31
• Product Type: Carburetor
• Secondaries: Mechanical
• Secondary Main Jet: 80
• Secondary Pump Nozzle Size: 28
• Supercharged Application: No
• Throttle Bore: 1.688 inch
• Vacuum Ports: 1 timed (spark) port, 2 full & 1 PCV port

You can view and download the complete assembly instruction booklet here.