Gravity Fed type pump with simple two-wire design. Works on 12 Volt negative ground systems only. Includes fittings and mounting hardware along with easy to follow DIY instructions. Pumps require approximately one amp average draw at maximum delivery. 2-3.5 PSI, 28 GPH. Universal design for most import 4 & 6 cylinder carburetor applications. Solid-state worry free electronics. Eliminates vapor lock and flooding. Works well as a fuel transfer, booster, or stand-alone pump.