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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 0-80537 Marine carburetor is designed with a universal calibration good for marine engines where a 4150 model 4BBL is required

750 CFM Mechanical Choke Mechanical Secondaries - 4150

SKU: 0-80537
    • Gold Dichromate finish for corrosion resistance and classic Holley looks

    • Performance Marine Calibration

    • Manual (Cable driven, hand operated) choke for precise cold start control

    • Mechanical secondaries for awesome performance

    • Dual accelerator pumps for additional fuel under initial acceleration

    • Dual feed fuel inlets for constant high volume fuel delivery

    • 4 corner idle allows you to precisely control your idle system

    • 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 Down Leg
    • CFM 750
    • Choke Manual
    • Emission Code 3
    • Finish Gold Dichromate
    • Fuel Gasoline
    • Fuel Inlet Dual
    • Marine Engine Size Universal
    • MaterialZinc
    • Model 4150
    • Primary Main Jet 73
    • Primary Power Valve 6.5
    • Primary Pump Nozzle Size 28
    • Product Type Carburetor
    • Secondaries Mechanical
    • Secondary Main Jet 81
    • Secondary Pump Nozzle Size 31
    • Supercharged Application No
    • Throttle Bore 1.688 inch

    Part Number 0-80537

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