Fleece Performance 01-04 LB7 Injection Lines (Complete Set of 8)2001 2004 LB7 Injection Lines complete set of 8 Over time LB7 Injection lines corrode and break, they are a leading cause of contamination when changing the Injectors. So if you are changing your injectors, or have a line failure we've got you covered with our all new Fleece Performance LB7 Injection Lines. Brand New No Core Charge Complete set of 8This Part Fits: Year Make Model Submodel 2001 2004 Chevrolet Silverado 2500 HD Base 2001 2004 Chevrolet