All Holley Marine Carburetors are designed to meet Coast Guard specifications. A marine Carburetors fuel metering system is calibrated to compensate for unique engine loads found on boats. The Jstyle vent tubes direct spilt fuel/fumes back into the carburetor for safe operation while on rough waters. Model 4500 DOMINATOR HP; Mechanical Secondary; 2Circuit Metering; Holley Dominator Carburetors were designed specifically for making Top End Horsepower and Torque in High End Racing Engines. Installation Notes Marine Carburetors should never be used on street applications. 1050 CFM Four Barrel Race Carburetor - Dichromate Finish
- Annular Boosters
- 2-Circuit Metering
- Progressive Mechanical Linkage
- Center Hung Dual Inlet Fuel Bowls
- Dual 50cc Accelerator Pumps
- Four-corner Idle System
- Power Valve Blow-out Protection
- Screw-in Changeable Air Bleeds
- Non-stick Gaskets
- Brass Floats
- 100% Wet-flow Tested and Calibrated
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Bell housings
Air & Fuel