Installation by a trained mechanic is recommended
Step 1:Position vehicle on a flat surface and lift vehicle by the frame so that the front wheels are off the ground. Use a floor jack and jack stands or a (2) two post lift if available. Next, locate the torsion key at the rear of the torsion bar under the cab of the vehicle. (Insert A)
Note: Prior to lifting the vehicle it is recommended that you measure the stock height of the vehicle so that you have a base line to gauge the height of the vehicle. Measure the vehicle from the bottom of the wheel to the lip of the fender. (Insert B)
Step 2: Remove the torsion key adjusting bolt completely. Using a GM Torsion Bar Unloading Tool (ReadyLift® 66- 7822A recommended), and the bracket supplied in the ReadyLift® kit as shown in (Insert C)
Compress the key so that you can remove the threaded part of the torsion adjuster. Releasing the tension on the unloading tool will now release the tension on the torsion bar. Slide torsion bar forward, allowing the torsion key to be removed.
Step 3: Install the ReadyLift® forged torsion key and slide torsion bar back into position.
IMPORTANT! Make sure torsion bar is extended at least ¼” through the torsion key. Apply pressure with torsion bar unloading tool to the torsion key, and create enough space to reinsert the torsion key keeper that the adjusting bolt threads into.
Step 4: Reinstall the adjusting bolt, and adjust it so ¼” of bolt threads extend beyond torsion key keeper. IMPORTANT! Each ¼” of adjustment on the bolt equals 1” at the wheel. It is best to check ride height after this initial setting and adjust as needed.
Step 5: Repeat steps 1 through 3 on the passenger side of the vehicle. Follow each step closely making sure to double check the torque on all fasteners. Measure the distance between the tires and fenders to make sure both sides of vehicle are even.
Step 6: Wheel Alignment; a certified alignment technician experienced with lifted vehicles is recommended to perform the alignment.
*It is recommended that you have your vehicle’s alignment checked whenever installing new tires.
*It is also recommended that you adjust your headlights whenever your vehicle’s ride height is altered.

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