Cognito Torsion Bar Keys for 2020-2025 Silverado/Sierra 2500/3500 2WD/4WD fuel delivery Zone Offroad includes heavy-duty 1/4"

Zone Offroad includes heavy-duty 1/4" steel radius arms

The OE fog mount kits are adjustable for proper light aiming

a revolutionary concept that helped achieve near two stage engine boosting performance in a single package

With clearance for up to 37-inch tires and Zone’s Factory Protection Plus warranty

Cognito Torsion Bar Keys for 2020-2025 Silverado/Sierra 2500/3500 2WD/4WD fuel delivery Zone Offroad includes heavy-duty 1/4"Cognito Torsion Bar Keys levels the front with the rear of the truck. Their forged construction makes them practically indestructible and they bolt in for easy installation. 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