Cognito Torsion Bar Keys for 1999-2006 Silverado/Sierra 1500 2WD/4WD 2019-2021 sierra 1500 Recommended upgrades for this Injector:

Recommended upgrades for this Injector:

Labor costs for removal & reinstallation of affected parts*

Overall Length: 7 inches

and MBRP executes it with their signature quality and fitment

Wiring Harness

Cognito Torsion Bar Keys for 1999-2006 Silverado/Sierra 1500 2WD/4WD 2019-2021 sierra 1500 Recommended upgrades for this Injector:Torsion bar keys are used to set the ride height of the front of the truck and are commonly used in leveling kits, and it is important to set the height appropriately as to leave ample suspension droop travel to maintain a good ride quality. There are several different torsion bar spring rates that GM made and put in these trucks, the rate depending on the model and features of the truck. Some trucks that have a higher spring rate may not need