*Atomic Belt Drive Fuel Pump* The Atomic pump is designed to feed over-the-top engine applications, EFI and Carbureted, gasoline or alcohol. The Atomic Belt Drive Pump is engineered for use with a cog drive pulley and belt, allowing the pump to be mounted on the engine or motor plate and driven off the crankshaft. It can be used in high or low pressure applications. * Flows in excess of 4500 lbs/hr (over 12 GPM at 100 PSI). * Supports over 5000 HP gas, 2500 HP methanol. *Atomic Hex Drive Fuel Pump* The Aeromotive Atomic pump is designed to feed over-the-top engine applications, EFI and Carbureted, gasoline or alcohol. Featuring the identical performance of our Atomic Belt Drive Pump (P/N 11115), but with the convenience of direct-drive. The Atomic Hex Drive Fuel Pump features a 3/8" hex drive shaft and mounting collar to support mounting to the back of a properly prepared external oil pump or or direct drive by the cam through a timing cover adapter. * Flows in excess of 4500 lbs/hr (over 12 GPM at 100 PSI). * Supports over 5000 HP gas, 2500 HP methanol. PartNumber : aer11117 Description : Atomic Hex Drive Fuel Pump 357 : billet aluminum 5 : New Inlet Diameter : 1.25' Outlet Diameter : ORB-12 Attributed Description : Aeromotive Fuel System; Mechanical Fuel Pump; Housing Material: billet aluminum; New Or Remanufactured: New; Inlet Diameter: 1.25'; Outlet Diameter: ORB-12 Title : Atomic Housing Material : billet aluminum New Or Remanufactured : New California Proposition 65 : WARNING: This product can expose you to chemicals including chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov. Fuel Delivery::Fuel Pumps