Flow Chart

Breakdown of Included Items

Dodge Truck Fuel Pump Selection Chart

Holley 12-323 Returnless 255 LPH Fuel Pump Module Features:

• Fits in the factory fuel tank
• -8 AN O-ring port outlet w/provision for evaporative emission control system
• Fuel level sender
• Adjustable for tank depth
• Billet aluminum top w/option to use fill vent
• Fuel Injected (EFI) Applications:
  • Naturally Aspirated - Supports up to 600 Horsepower (13.5 v @ 60 psi)
  • Forced Induction - Supports up to 450 Horsepower (13.5 v @ 60 psi)
• Requires JEGS 555-10564 Fuel Pump Harness and Relay Kit (sold separately) or equivalent
• Includes 3 in. x 15 in. Hydramat
• Black anodized finish

Notes:

• Vehicles equipped with a 3/4 in. filler neck vent line that attaches to the fuel pump module will require JEGS fittings 555-110710 and 555-120012 (both sold separately) or equivalent
• If EVAP hose is to be retained on emission-equipped vehicles JEGS 555-110492 and Holley 12-874 (both sold separately) will be required and installed using JEGS Thread sealant with PTFE 555-28044 (sold separately)