2011-2019 Duramax Kryptonite Stage 3 Leveling Kit with Fox 2.5 Shocks (KR11STAGE3FOXHTO)

Fits

The Kryptonite Stage 3 Leveling Kit is the most efficient and reliable way to level the front of your GM HD truck. This kit features forged torsion keys that are 25% stronger than OEM, designed to grab the "flat" of the torsion bar for a superior fit. Paired with Fox 2.5 Performance Series shocks utilizing Hydraulic Top Out (HTO) technology, this system delivers position-sensitive rebound control that eliminates harsh top-outs. This comprehensive package provides up to 2" of lift, allowing clearance for 33" tires while maintaining premium ride quality and correct suspension geometry.

Part Number: KR11STAGE3FOXHTO

Old Part Number: KR11STAGE4FOX

• Forged Torsion Keys are 25% stronger than factory keys
• Designed for a tighter, sturdier fit
• Features secondary shim stacks to slow shock shaft speed & prevent harsh top-outs
• High-strength UCAs improve travel and allow for better alignment
• Kryptonite’s legendary heavy-duty bolt-on upper ball joints
• Provides 1" to 2" of front lift to level the vehicle and clear larger tires

• 1 x Kryptonite Upper Control Arm Pair
• 4 x Control Arm Sleeves
• 8 x Control Arm Bushings
• 2 x Kryptonite Bolt-On Upper Ball Joints
• 1 x Hardware Package
• 2 x Leveling Keys
• 2 x Fox 2.5 Performance Series Front Shocks – #KRS4010
• 2 x Fox 2.5 Performance Series Rear Shocks – #KRS4009

• Maximum Lift: Designed for a maximum of 2" front lift. Adjusting beyond 2" over stock height may result in shock failure.

(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 must be completed within 90 days of purchase. Complete warranty details can be found [here].