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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 J-style vent tubes direct fuel/fumes back into the carburetor for safe operation while on rough waters. The Holley 0-80552 Marine carburetor is designed with a universal calibration good for marine engines where a spreadbore 4BBL is required *** A carb spacer may be required to allow the fuel inlet on our marine 4175 to clear the water manifold (aka thermostat housing) on most Mercruiser and OMC GM V8 engines. We offer a 1" spacer in the Mr. Gasket product line. Part Number is 3406.

650 CFM Electric Choke Vacuum Secondaries - 4175

SKU: 0-80552
    • Gold Dichromate finish for corrosion resistance and classic Holley looks

    • Universal Marine Calibration

    • Model 4175 Quadrajet replacement

    • Vacuum secondaries for use on wide variety of boats. Compensate for all weights to allow smooth opening of secondaries.

    • Factory preset electric choke for easy startups

    • 30cc Accelerator pump for smooth starts

    • Single feed fuel inlet for easy installation

    • J-Style Vent Tubes

    • Meets Coast Guard Specifications

    • Power valve blow-out protection

    • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

    • Barrels 4
    • Booster Straight
    • CFM650
    • Choke Electric
    • Emission Code 3
    • Finish Gold Dichromate
    • Fuel Gasoline
    • Fuel Inlet Single
    • Marine Engine Size Universal
    • Material Zinc
    • Model 4175
    • Primary Main Jet 61
    • Primary Power Valve 5.0
    • Primary Pump Nozzle Size 40
    • Product Type Carburetor
    • Secondaries Vacuum
    • Supercharged Application No
    • Throttle Bore 1.375 inch

    Part Number 0-80552

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