The Cognito CLKP-1104.3 Stage 1 4" Lift Kit w/ Fox Shocks is a complete lift kit for your 2011-2019 GM 2500HD 4WD. Includes 4" lift kit with 4" front lift, 1" rear block lift, front and rear Fox performance series monotube shocks. Once installed this kit provides a level rake. Features: 4" Front Lift 1" Rear Block Leveled Stance Truck Freight Item: Allow 1-2 Weeks for delivery. Shipping fees apply.