This premium torsion key and shock spacer kit from Axiom Supply is designed to fit Chevrolet Silverado 2500 HD and 3500 and GMC Sierra 2500 HD and 3500 models 6 Lug from 1999 through 2006
It provides a durable and reliable solution for leveling the front of your truck while maintaining factory ride characteristics when paired with proper supporting components.
The system is engineered to increase front ride height by up to two inch, allowing clearance for tires up to thirty five inch on most applications. The re indexed torsion keys and included shock spacers work together to maintain proper geometry and shock travel during the lift.
Important Fitment Note: The shock spacer kit must be installed only on OE shocks or OE equivalent shocks. Installing shock spacers on plus length shocks may result in component damage or catastrophic failure.
This kit does not fit AT4X or ZR2 models equipped with DSSV shocks. It is intended to be used in conjunction with aftermarket upper control arms.
Features and Benefits:
- Precision forged torsion keys engineered for exceptional strength
- Custom key index provides maximum adjustability for front leveling
- Allows up to two inch of lift and tire fitment up to thirty five inch
- Maintains factory like ride quality when installed with proper components
- Premium black powder coated finish provides long lasting corrosion resistance
- High strength construction designed as a durable upgrade over factory hardware
The Axiom Supply torsion key and shock extension kit offers a premium approach to leveling the front of your 1999 through 2006 GM heavy duty truck. Each key is forged for superior strength and engineered with a revised index angle that safely raises the suspension without overstressing components.
The included shock spacers help maintain correct shock travel when lifting the truck, preventing over extension and preserving ride quality. When paired with quality aftermarket upper control arms and compatible shocks, this system provides improved clearance, a level stance, and stable on road and off road performance.
Includes:
- One pair of precision forged torsion bar keys
- One shock extension kit
- The Axiom no nonsense lifetime warranty to the original purchaser
Our suspension and steering components are warrantied for life against manufacturer defects, premature wear, or breakage. If the part ever lets you down, we will make it right.



