Fits:
2020–2025 Chevy 2500HD / 3500HD
2020–2025 GMC 2500HD / 3500HD
Important Fitment Details:
Will NOT Fit: AT4X & ZR2 models equipped with DSSV shocks
- Provides up to 2” of front lift
- Allows clearance for up to 34” tires
- Not compatible with DSSV-equipped AT4X or ZR2 trucks
- Exceeding 2” of front lift may cause shock failure
Features:
- Forged torsion keys – 25% stronger than OEM
- Kryptonite boxed upper control arms with pre-installed bushings and ball joints
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FOX 2.5 HTO Performance Series shocks – engineered for lifted trucks
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Hydraulic Top Out (HTO) technology – reduces harsh top-outs and enhances comfort with aggressive tires and taller ride height
- Maintains OEM ride quality
- Bolt-on installation – no cutting required
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Lifetime Warranty – covers breakage, wear, and defects
Description:
The Kryptonite Stage 4 Leveling Kit featuring Fox 2.5 HTO Performance Series shocks is the ultimate suspension upgrade for 2020–2025 GM HD trucks. Designed for performance, strength, and real-world reliability, this package delivers more than just ride height—it delivers capability.
Kryptonite’s forged torsion keys lift the front end up to 2 inches while maintaining OEM ride characteristics. The included boxed upper control arms correct suspension geometry and improve articulation. For damping, the Fox 2.5 HTO shocks utilize Hydraulic Top Out technology to control rebound and reduce harsh impacts—perfect for trucks running oversized tires or frequent off-road use.
This kit is engineered for easy installation, and every component is made to handle years of hard use without compromise.
Includes:
- 1 x Kryptonite Upper Control Arm Pair
- 4 x Control Arm Sleeves
- 8 x Polyurethane Control Arm Bushings
- 2 x Kryptonite Bolt-In Upper Ball Joints
- 1 x Hardware Package
- 2 x Forged Leveling Keys
- 2 x Fox 2.5 HTO Performance Series Front Shocks – Part# KRS4010
- 2 x Fox 2.5 HTO Performance Series Rear Shocks – Part# KRS4009
Instructions:
DOWNLOAD CONTROL ARM INSTALLATION INSTRUCTIONS HERE
DOWNLOAD LEVELING KEY INSTALLATION INSTRUCTIONS HERE
Warranty:
(Kryptonite No Fine Print Lifetime Warranty)
Kryptonite Steering & Suspension components are warrantied for life to their original purchaser. This warranty covers manufacturer defects, premature wear, or breakage. Race it, jump it, off‑road it, wreck it, lift it—we don’t care. If you can break it, we’ll replace it.
Your Kryptonite products must be purchased through an Authorized Dealer, and Warranty Registration completed within 90 days of purchase. Complete warranty details can be found [here].
