12 GPM Belt Drive Mechanical Fuel Pump. Designed to feed serious EFI and Carbureted engines, gasoline, ethanol, or methanol. The 12 Series Belt Drive Pump must be driven by a pulley and cog drive belt allowing the pump to be driven from your crankshaft. It can be used in high or low-pressure applications. Flows up to 12 GPM. 5,000 HP on gas, up to 2500 HP methanol. High efficiency, Gerotor pumping mechanism. Tough, Type III hard coat anodized body. CNC Machined from 6061 T6 aircraft aluminum. Includes both 1.25' barb and AN-16 Male inlet. ORB-12 female outlet port. EFI applications require high-flow bypass regulators. Sold Separately: Mounting Bracket (P/N 11706).