Edelbrock Carburetor Marine 4-Barrel 600 CFM Electric ChokeThe Edelbrock 1409 Marine Series 600 CFM electric choke carburetor is a precisely tuned, quality built carburetor that can handle the harsh abuse only a marine environment can inflict. Several characteristics make the 1409 Marine Series 600 CFM electric choke carburetor an outstanding marine performer. The first one is that metering rods are utilized to transition between circuits. The carburetor is unaffected by engine backfires, which means that