Billet high performance fuel pumps for carbureted or injected engines. These pumps are machined from billet aluminum. They are compatible with Weldon 2040 series regulators and with 14000 dial-A-Flow. They provide consistent performance with no fall-off flow. The blades are self compensating for wear. These pumps have a rated flow of 170 GPH at 15psi and 145 GPH at 30psi and are suitable for use on engines up to 1100 HP (efi) or 1300 HP (carb).