- 28 Primary Pump Nozzle Size
- 2.0 Throttle Bore
- 1.690 in. Venturii Size
- 74 Primary Main Jet
- 6.5 Primary Power Valve
- Annular Booster w/Shirt
- 120
- 120 Needle And Seat Size
- Not vehicle specific. Customer is responsible for confirming this product fits their vehicle.

Holley 0-80186-1 - 750 CFM Four Barrel Race Carburetor
Holley Model 4500 Dominator Carburetors are available with a reinforced casing for more strength, a redesigned metering system for greater fuel flow, and all-new surfaces that have been machined to improve their appearance and gasket sealing.Key Features:
- Dominator Carburetor
- 4 bbl
- 750 cfm
- 2 Circuit Metering
- Model 4500HP
- 1x4 Gas
- Mech. Secondary
- No Choke
- Dual Fuel Inlet
- Gold Dichromate Finish

Holley was founded by the Holley brothers in the 1900s and they became industry leaders in fuel system technology. Over 250 000 000 carburetors have been manufactured over the years for everything from Henry Ford's original Model A to the baddest factory muscle cars. In 2003 the company was one of the four original suppliers still selling to Ford after 100 years.
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