Brand New • Online Only
Description
Heavy-duty upper arms accompany the 2-1/4-inch torsion-key kit. Boxed 4130 chromoly construction supports compatible GM HD trucks.
Specifications
| Amount Raised Or Lowered | 2-1/4 Inch Lift |
|---|---|
| Type | Torsion Bar Key |
| Maximum Tire Size | 33 Inch |
| Includes Shock/Struts | No |
| Color | Gray |
| Material | Chromoly Steel |
| Estimated Install Time (Hours) | 2 |
Features
- Tab And Slot Boxed 4130 Chromoly Plate Steel Design Increases Overall Strength And Durability
- Correct Ball Joint Pivot Angle For Lifted Or Leveled Applications
- Stronger And Longer Lasting Outer And Inner Pivots
- New Heavy-Duty Spring Loaded Ball Joint For Maximum Long-Lasting Durability
- TCT (Terrain Control Technology) Pivots Are Maintenance Free And Self Lubricating
- No Modifications Required To Install
- Limited Lifetime Warranty
Design details
- For 2011–2018 GM 2500/3500HD trucks. The kit combines forged torsion keys with 44-3100 Extreme-Duty fabricated boxed upper arms and one-ton spring-loaded ball joints. Laser-cut, CNC-bent0.125-inch4130 chromoly plate forms arms designed for trucks with zero to eight inches of lift. Maintenance-free pivots provide durability, while the ball joints preserve factory driving feel under heavier aftermarket wheels and tires.
Application details
- Control arms are included with ReadyLift 66-3012. This heavy-duty torsion-bar key leveling kit provides 2-1/4 inches of lift.
Estimate shipping
You may also like
Recently viewed
Thousands of Parts for RV, Marine, Truck & Towing
We’re continually adding and updating new and used parts across our growing online catalog.
Shop RV appliances and replacement parts, marine products, truck accessories, towing and trailer equipment, electrical and plumbing components, and more from leading brands.
Can’t find the exact part you need? Text or email with the manufacturer part number, model number, or product details and we’ll help check availability.
Our Collections

