Cognito Torsion Bar Keys for 99-06 Silverado/Sierra 1500 2WD/4WD stereo system They use an aerodynamic design

They use an aerodynamic design paired with ultra-aggressive angles to make sure they turn heads wherever you ride

(4) 1/16 Inch thick stainless enhancement plates

Please select the variant with your desired Carling® Rocker Switch cover before adding to cart

Durable semi-gloss black powder coat finish

Cognito Torsion Bar Keys for 99-06 Silverado/Sierra 1500 2WD/4WD stereo system They use an aerodynamic designTorsion 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