The Holley Gen 3 Ultra Dominator Carburetor 1250 CFM 4500 Mechanical Secondaries Shiny (part number 0-80908BK) is a direct-fit replacement for 1952-1996 Chevrolet, Ford, GMC, and Dodge vehicles with 4.7L, 7.0L, and 5.4L engines. 1250 CFM - 4500 - Mechanical Secondaries - Shiny - Gasoline
Features:
- All aluminum construction saves 3.8lbs. over original models (28% weight savings)
- Shiny with black anodized billet aluminum metering block and booster inserts
- Designed for use on Drag race, Pro Street, or any high horsepower engines
- Calibrations optimized for today's larger race engines and new fuels
- Fully machined from venturii throat to throttle bore for predictable & repeatable performance
- Integrated idle bypass valve allows for adjustment of idle while maintaining correct throttle plate to transfer slot relationship
- Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
- Dual 50cc 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
- -8 (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
- Factory ready TPS mounting points for use with data acquisition systems (Holley TPS P/N 534-214 available)
- Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
- Contoured hex head squirter screws for streamlined airflow
- Fully adjustable stainless steel external linkage can be adjusted for 1:1 progressive, or soft progressive throttle activation. No linkage parts under the carburetor
- 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 | 7 1/4 |
| Barrels | 4 |
| Booster | Annular Billet Insert |
| Carburetor Material | Aluminum |
| Carburetor Use | Professional Race |
| CFM | 1250 |
| Circuit Count | 3 |
| 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: For racing use only. Not legal for sale or use on any pollution-controlled motor vehicle.
