Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (2 & 7) Dual Control With the compatible 4-pin connector

With the compatible 4-pin connector

*Package of (4) Ball joints

Garrett Model 953223-5001S

Exergy Model E01 20308

and fueling upgrades

Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (2 & 7) Dual Control With the compatible 4-pin connectorFleece Performance Model FPE FL LB7 27 Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your injectors, have a line failure, or are looking to upgrade your stock lines, we've got you covered with our direct replacement LB7 injection lines! An upgrade to the factory lines on your 2001 2004 Duramax LB7, our Fleece Performance lines feature machined 4140 injector