IN-TANK EFI FUEL PUMP + FUEL PRESSURE REGULATOR. + STRAINER FOR HARLEY-DAVIDSON APPLICATIONS. Condition: 100% BRAND NEW Design: Intank EFI Fuel Pump. Overall Length (tip to tip): 4 1/2" (11.5cm) Length of Pump Metal Case: 2 5/8" (6.6cm) Pump Body Diameter: 1 1/2" (3.8cm) Inlet Diameter: 5/16" (0.8cm) Outlet Diameter: 5/16 (0.8cm).