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!