Cognito Torsion Bar Keys for 1999-2006 Silverado/Sierra 1500 2WD/4WD 1994-1997-7-3l-powerstroke Rather than a traditional "spot"

Rather than a traditional "spot" pattern

4-Bolt Main Stud Kit

improved ground clearance

2011-2014 F-150 Raptor SVT 6

Cognito Torsion Bar Keys for 1999-2006 Silverado/Sierra 1500 2WD/4WD 1994-1997-7-3l-powerstroke Rather than a traditional "spot"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