2007.5-2018 Cummins Regulated Return Fuel Distribution Block Fleece Performance GM Silverado/Sierra " Part Number: 503KINGCOBRA0308

Part Number: 503KINGCOBRA0308

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

Control air pressure at the push of a button from the comfort of your vehicle

Heavy duty

6L V8 Duramax diesel:

2007.5-2018 Cummins Regulated Return Fuel Distribution Block Fleece Performance GM Silverado/Sierra " Part Number: 503KINGCOBRA03082007. 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