Holley Marine Carburetors & Parts

750 CFM Mechanical Choke Mechanical Secondaries - 4150


750 CFM Mechanical Choke Mechanical Secondaries - 4150


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


  • 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!

Add To Cart


Barrels 4

Booster Down Leg

CFM 750

Choke Manual

Emission Code 3

Finish Gold Dichromate

Fuel Gasoline

Fuel Inlet Dual

Marine Engine Size Universal


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