Aeromotive Atomic Hex Drive Fuel Pump 11117 - The Atomic Hex Drive Pump features the same performance you get from our Atomic Belt Drive Pump (P/N 11115), with the convenience of direct drive. The Hex Drive Fuel Pump features a hex drive shaft and mounting collar designed to be mounted and driven directly from the back of a properly prepared external oil pump or driven directly by the cam through a timing cover adapter. Utilizes standard, 3/8' hex drive shaft and adjustable, billet mounting collar with standard 3-bolt mounting pattern and hardware. Flows in excess of 4500 lbs/hr (over 12 GPM at 100 PSI). Supports over 5000 HP gas, 2500 HP methanol. Type III hard coat anodize protects the 6061 T6 aircraft aluminum alloy housing. Features removable ports with a 1.25' inlet and ORB-12 outlet port. EFI applications require regulator P/N 13113. Note: Electric Priming Kit available - P/N 17301 (see Accessories).