2007.5-2018 Cummins Regulated Return Fuel Distribution Block Fleece Performance GM Silverado/Sierra " E41 L5p Unlock kit (if

E41 L5p Unlock kit (if you are unlocking the ecm in house)

Upgrading the crankcase breathers and adding a PPE Filter Kit helps solve this runaway problem and stops normal oil vapor from contaminating the turbo

Heavy duty

Part Number: 503KINGCOBRA0308

This stylized bed mat features a large "RC" and "Rough Country" logo with angled lines for an improved look that also protects your truck bed

2007.5-2018 Cummins Regulated Return Fuel Distribution Block Fleece Performance GM Silverado/Sierra " E41 L5p Unlock kit (if2007. 5 2018 Cummins Regulated Return Fuel Distribution Block. 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