Fleece Performance Cummins Regulated Return Fuel Distribution Block

Fleece Performance Cummins (2)The Fleece Performance 2007.5-2016 Cummins Regulated Return Fuel Distribution Block turns things up a notch by fully integrating a high flow pressure regulator.

Official Release:

The Fleece Performance Cummins Regulated Return Fuel Distribution block takes our standard fuel distribution block to the next level by fully integrating a high flow pressure regulator. This feature in combination with high flow aftermarket electric fuel pumps without built in pressure regulation provides more consistent fuel pressure at the CP3. It also has one additional return line port, and one additional feed line port. The additional return line port allows you to remove the factory fuel pressure relief valve hard line and fuel injector return galley hard line to provide clearance for high flow side draft intakes, common on competition engines. The two feed line ports allow you to run two lift pumps to ensure you always have enough fuel volume. Metric straight thread to AN fittings and hose are included to replace the aforementioned hard lines and plumb those returns to the regulated return distribution block (NOTE this kit does not include 1/2” (-8AN) or 3/8” (-6AN) fuel line to feed the distribution block or return to the tank). There is also a 0-60 psi pressure gauge included to allow for quick visual checks of fuel pressure set-point.

Regulation pressure is preset at 20 psi, which is optimal for high RPM CP3 pump operation. Additional regulation pressures can be easily obtained by swapping the internal regulator spring.

NOTE: This kit is designed to be used with a 6.7L rail and (2) 6.7L CP3 pumps. It will work on a 5.9L block as long as a 6.7L rail and (2) 6.7L CP3 pumps are used.

Features:

  • Features an integrated high flow pressure regulator
  • Also features a high flow aftermarket electric fuel pump
  • Provides more consistent fuel pressure at the CP3
  • One additional return line port, and one additional feed line port
  • Additional return line port allows you to remove the factory fuel pressure relief valve hard line and fuel injector return gallery hard line to provide clearance for high flow side draft intakes, common on competition engines
  • Two feed line ports allow to run two lift pumps to ensure enough fuel volume
  • Metric straight thread to AN fittings and hose are included to replace hard lines and plumb those returns to the regulated return distribution block
  • Also a 0-60 psi pressure gauge included to allow for quick visual checks or fuel pressure set-point

Article Sources

About the author

Amie Williams

Amie's love and appreciation for fine machinery began when she was a kid spending summers with her father, a pilot and skydiving instructor. Her passion for everything automotive, and especially American muscle, continued after her dad passed. It was then Amie decided to become a journalist and photographer. She currently is a freelance contributor for Power Automedia.
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