Mr. Gasket Micro Electric Fuel Pumps eliminates vapor lock and flooding. Micro electric fuel pump works well as a fuel transfer pump and makes a great stand-alone or booster pump. It comes with a self-priming pump with simple two-wire design. Micro electric fuel pumps works on 12 volt negative ground systems only. It also includes fittings and mounting hardware along with easy to follow DIY instructions. Pumps require approximately one amp average draw at maximum delivery. It is a universal design for most domestic 4, 6, and 8 cylinder carburetor applications.