4 Inch Lift Kit | AT4/Trailboss | M1/M1 | Chevy/GMC 1500 (25-26) " Chevy/GMC Industrial Injection offers the Modified

Industrial Injection offers the Modified CP3 injection pump for the 2001 to 2007 Duramax

Includes heavy duty lift shackles and custom-tuned NX2 Nitro or FOX Performance series shocks

16 Injector Cup O-Rings

2L was engineered to minimize air restriction and flows 51

5 in Cold Intercooler Tubes

4 Inch Lift Kit | AT4/Trailboss | M1/M1 | Chevy/GMC 1500 (25-26) " Chevy/GMC Industrial Injection offers the ModifiedExplore New Heights: Transform your truck with Rough Countrys 4 inch Suspension Lift, perfectly designed to enhance the bold, aggressive styling of GMs all new fourth generation Sierra 1500 AT4 and Silverado 1500 Trailboss. These models, already equipped with GMs factory two inch kit, are taken to the next level with Rough Countrys lift kitgiving your vehicle a commanding presence on and off the road. Whether you're tackling tough trails or cruising