The SPC 13015 torsion key adjustment kit increases front ride height on select Hummer and GM 2500 and 3500 HD truck and SUV applications. Revised torsion key geometry provides up to 2.5 in. of on-vehicle adjustable lift while maintaining factory ride characteristics. Forged construction delivers greater strength than original equipment keys, and a black e-coat finish enhances corrosion resistance.

SPC 13015 Torsion Key Adjustment Kit Features:

• Provides up to 2.5 in. adjustable front lift
• Forged construction stronger than OEM torsion keys
• Maintains OEM ride quality and driving comfort
• Black e-coated finish for corrosion resistance
• Improves clearance for oversized tires and wheels
• Includes forged replacement drive system
• Includes heavy-duty bolts
• Required: 1 kit per axle

SPC 13015 Torsion Key Adjustment Kit Notes:

• Torsion key tool SPC 40230 recommended for installation