Fleece Performance #4 and #5 Injection Line 01-04 6.6L GM Duramax LB7 AFE-42-22013 Positive release and minimal increase

Positive release and minimal increase in pedal effort

What is the purpose of the front skid plate

Does your Duramax experience wheel hop

many upgraded clutches for these transmissions require you to upgrade to the later style NV5600 1-3/8" input shaft

Fleece Performance #4 and #5 Injection Line 01-04 6.6L GM Duramax LB7 AFE-42-22013 Positive release and minimal increaseThe original LB7 Duramax injector lines are notorious for corrosion and breaking that can lead to contamination of your injectors. If you are changing your injectors, have a line failure, or are looking to upgrade your stock lines, weve got you covered with the Fleece Performance direct replacement LB7 injection lines! An upgrade to the factory lines on your 2001 2004 Duramax LB7, the Fleece Performance lines feature machined 4140 injector swivel nuts