Cognito 12-Inch Performance Lift Kit with Fox PSRR 2.0 for 2011-2019 Silverado/Sierra 2500/3500 2WD/4WD PPE downpipe This tuner allows you to

This tuner allows you to calibrate the speedometer for bigger tires to correct the transmission shift strategy

The leveling torsion key provides up to 2”of lift and gives clearance to add up to 33" tire

5" ob-round slash-cut exhaust tip

there's no question that you will have the hottest performance exhaust on the road

more stable and more predictable handling

Cognito 12-Inch Performance Lift Kit with Fox PSRR 2.0 for 2011-2019 Silverado/Sierra 2500/3500 2WD/4WD PPE downpipe This tuner allows you toEach Kit Features: 12 inch Front Lift Components SM Series Ball Joint Upper Control Arms Patented Pitman and Idler Arm Support Kit Forged torsion bar keys Stainless Steel extended brake lines HD front sway bar 4 inch Deaver leaf pack 5 inch Rear Lift Block and U Bolts Fox 2. 0 Performance Series Remote Reservoir Shocks Maintains Adequate Droop Travel for Superior Ride Quality Levels Vehicle Front to Rear Allows for up to a 40x15. 5 Tire on a 12 Inch