The Holley Ultra XP 4150 Carburetor 750 CFM Shiny Black Billet (part number 0-80803BKX) is a direct-fit replacement for 1952-1996 Chevrolet, Ford, GMC, and Dodge vehicles with 4.7L, 7.0L, and 5.4L engines. 750 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline
Features:
- Aluminum Construction (saves 4.5 lbs - 38% weight savings)
- Shiny with black anodized billet aluminum metering blocks and base plate
- Designed for use on Drag race, circle track, or any high horsepower engines
- Contoured venturri inlet offers balanced airflow for increased horsepower
- Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturii
- Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
- Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship.
- Helps maintain good idle control when using radical camshafts.
- Dual 30cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
- Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
- Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
- Built in drain plug in front center of bowl provides easy access to empty contents of bowl
- 8AN (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
- 4 corner idle allows you to precisely control your idle system
- Mechanical Secondaries for perfect off the line launches
- Elongated (dual pattern) mounting holes allow fitment on intakes with square flange (Holley 4150 style) or large flange (Holley Dominator style)
- Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
- Primary throttle shaft capped to prevent entry of debris & contaminates
- Factory machined accessory mounting hole for easy addition of adjustable primary throttle stop. New secondary pump cam lever designed to provide positive throttle stop on secondary side
- Stainless steel adjustable secondary link. Provides choice of 1:1 or progressivesecondary throttle actuation for ultimate control of secondary opening rate
- Baseplate designed with a boss that can be consumer machined for vacuum source
- Includes notched float and jet extensions
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Specifications:
| Adjustable Air Bleeds | Yes |
| Adjustable Emulsion Bleeds | Yes |
| Adjustable Idle Feed Restrictors | Yes |
| Air Cleaner Flange Diameter | 5-1/8 |
| Barrels | 4 |
| Booster | Downleg |
| Carburetor Material | Aluminum |
| Carburetor Use | Professional Race |
| CFM | 750 |
| Circuit Count | 2 |
| Color | Polished/Black |
| Finish | Polished/Black |
| Float Level | Externally Adjustable |
| Fuel | Gasoline |
Fits: 1952-1996 Chevrolet, Ford, GMC, Dodge, and Pontiac models including Impala, C60, Bel Air, Caprice, C50, C20 Suburban, El Camino, Biscayne and more - 4.7L, 7.0L, and 5.4L engines. Confirm your year, make, model, and engine before ordering.
Fitment Notes: without Choke
Emissions: Not legal for sale or use in California on any pollution-controlled motor vehicle.
