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 aluminum Holley 0-80402-2 Marine carburetor is designed with a universal calibration good for small cubic inch marine engines where a 2300 model 2BBL with electric choke is required
