ICON Stage 3 Suspension System 2-3.5" Lift 3.0 Series 20-26 GM 2500HD/3500HD L5P Select Option:With Leaf Pack making it a great fit

making it a great fit for nearly any build

ARP Head studs are a must if you are running in excess of 45psi of boost on your Duramax Diesel

especially to cylinders 4

Replace your facoty oil filter with the K&N Gold Performance Oil Filter for your 6

Also included are printed instructions and a BuiltRight sticker

ICON Stage 3 Suspension System 2-3.5" Lift 3.0 Series 20-26 GM 2500HD/3500HD L5P Select Option:With Leaf Pack making it a great fitWant serious performance gains with real world usability without jumping all the way to race level complexity? The ICON Stage 3 Suspension System with 3. 0 Shocks is built for drivers who demand more control, comfort, and consistency from their truck. This system upgrades you to ICONs larger 3. 0 shock platform with compression adjustability while also replacing the factory rear leaf springs, fixing both damping performance and ride quality in one