Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pump Modules. The modules were designed to drop in as a direct replacement for your existing 6 or 12 bolt flange fuel cell cap assembly. The billet top flange includes an 8AN inlet port, a 10AN outlet port, and a fuel filler cap. The fuel pump depth is fully adjustable from 7.5" to 12" deep. The EFI modules are available with single 255 LPH and 450 LPH fuel pumps. The module kits include all the hardware to install into your existing fuel cell. All that you need to add is your fuel line. Update Your Fuel Cell To EFI The Easy Way Designed To Drop Right In Your Existing 6/12 Bolt Flange Billet Top Flange Housing Pump Depth Fully Adjustable For Fitment Into Most Fuel Cells Additional Attributes: GTIN: 00090127029633 Flange Type: 12 Bolt Free Flow GPH: 67 Fuel Type: Gasoline Fully Open: 255 Inlet Size: 8AN Maximum PSI: 80 Outlet Size: 10AN WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Packaging: Quantity of Each: Package UOM: Dimension: 8.5000 x 16.0000 x 8.5000 inches