The SPC 13020 torsion key adjustment kit is engineered to increase front ride height on 2011-2019 GM 2500 and 3500 HD truck applications. Revised torsion key geometry provides up to 2.25 in. of on-vehicle adjustable front 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 13020 Torsion Key Adjustment Kit Features:

• Provides up to 2.25 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 13020 Torsion Key Adjustment Kit Notes:

• Torsion key tool SPC 40230 recommended for installation