2 Inch Torsion Key Lift Kit | Chevy Silverado & GMC Sierra 2500HD/3500 (2001-2010) 4WD | FK/FF RPO Codes (FK2-FK3, FF6-FF9) | Zone Offroad

This kit is designed for vehicles with FK or FF RPO codes: FK2, FK3, FF6, FF7, FF8, or FF9. Verify the RPO code sticker inside your glovebox before ordering to confirm compatibility.

Overview

This complete 2-inch lift kit is designed for 2001–2010 Chevy/GMC 2500/3500 4WD trucks. The kit includes front torsion keys and rear blocks with U-bolts, providing clearance for tires up to 33 inches. Two kit variants are available depending on the factory-installed torsion keys identified by the RPO codes found in your glovebox.

Features

• 100% bolt-on design for easy installation
• Castings are resonance frequency tested to ensure they are defect-free and ready to withstand any abuse
• Front shock extensions allow use of factory shocks
• Rear lift block and longer U-bolts included for easy installation
• Maintains a tail-high stance

Specifications

• Front Lift Method: Torsion Key
• Front Lift Height: 2"
• Rear Lift Method: Block
• Rear Lift Height: 2"
• Shocks Included: No
• Tire Clearance: Up to 33 inches

Installation

• Estimated Installation Time: 4 hours
• Installation Difficulty: Moderately Easy
• Special Tools Required: Torsion Bar Unloading Tool

Important Notes

This kit is not designed for dually models, but may be easily adapted to accommodate your truck. Please contact customer support and they will help you find a solution.

Shocks or Brackets Required: Factory shocks don't allow adequate suspension travel once lifted; shock extension brackets or aftermarket (longer) shocks are strongly recommended.

To determine which kit is required, verify which RPO codes are shown in the glovebox to determine the factory installed torsion keys. The following RPO codes require the C1202/C1212/C31 kits: FT2, FT3, FT4, FT5, FT6, FT7. RPO codes FK2, FK3, FF6, FF7, FF8, FF9 require the C1203/C1213/C32 kits.