MSD 2922 Atomic EFI Return System


  • Ready to assemble
  • Regulator
  • 15′ x 3/8″ line
  • Required fittings
SKU: MSD2922 Category:


  • Regulator included
  • 15′ x 3/8″ line
  • Fittings
  • Ready to assemble
Weight 3.1 lbs
Dimensions 9.8 × 3.2 × 11 in




Off-Road Racing Use Only

Manufacturer Part Number


MSD Atomic EFI Fuel Pump Return System

Highly recommended to keep your fuel pump happy.

If you plan to run a return line with your Atomic EFI system, this kit provides a regulator, 15 ft. of 3/8″ line and the fittings to assemble.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to