AP63720/21/22/23 Complete Injection Line Set for 2001-2004.5 GM 6.6L LB7 Duramax - OEM Part Number's: 97188720, 97188721, 97188722, 97188723

8 Injection Lines for all 8 Cylinders All Alliant Power products are backed with a 24 month unlimited Mileage warranty. Alliant Power Products are backed by First Class Technical Support. Alliant Power supplies over 200 high demand parts for over 20 different engine applications. Alliant Power Products are built to OEM specifications and testing.