The Aeromotive Spur Gear Pump is the largest mechanical pump in the Aeromotive family, and is available in flow ratings from 16 GPM to 32 GPM, with a variety of inlet/outlet attachments, and three different sized distribution blocks to ensure proper plumbing.?Mounting options include a 3 or 4 bolt flange, and a V-band adapter.?Pumps are available with a 3/8? or 7/16? shaft, and a hard coat anodized aluminum or steel body. Seal options include Gas/Alcohol or Nitro, and NHRA Certifiable part numbers are available. PN 17134 includes: 16.5 GPM Spur Gear Fuel Pump w/aluminum body, 3/8? shaft for Gas/Alcohol applications, 1 ea. P/N 11730 1.25? Hose adapter inlet, 1 ea. P/N 11733 AN-10 Port, 1 ea. P/N 11735 V-Band Adapter, 1 ea. P/N 11737 V-Band, 2 ea. P/N 11739 AN-08 Distribution block, 1 ea. P/N 11741 Left hand AN-8 shut off valve.