Aeromotive B style belt drive Atomic fuel pumps are designed to be operated by a pulley and a cog belt, allowing the pumps to be driven from your crankshaft. They can be used in low or high-pressure applications and flow in excess of 4,500 lbs. per hour and over 12 gpm at 100 psi. The Aeromotive B style belt drive Atomic fuel pumps will support from 1,500 to over 5,000 hp on gas and over 2,500 hp on ethanol and methanol fuels. Their special Type III hardcoat anodized finish protects the 6061-T6 aircraft billet aluminum alloy housing from harsh fuels while looking great. The body features removable ports with a 1.25 in. inlet hose barb and a female -12 AN O-ring boss outlet port. This new modular inlet/outlet port design opens the door for you to interchange attachment styles to fit your engine's needs. If you're building a high-horsepower engine, use one of these Aeromotive B style belt drive Atomic fuel pumps as the foundation of your fuel system.