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 0-80443 Marine carburetor is designed with a universal calibration good for large cubic inch marine engines where a mechanical secondary 4150 model 4BBL with electric choke is required

Features:
  • Gold Dichromate finish for corrosion resistance and classic Holley looks
  • Universal Marine Calibration
  • Factory preset electric choke for easy startups
  • Mechanical secondaries for awesome performance
  • 30cc primary and 50cc secondary accelerator pumps for additional fuel under initial acceleration
  • Dual feed fuel inlets for constant high volume fuel delivery
  • 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!
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