*item may differ from images
This kit adds critical reinforcement to the idler support area of the frame, helping reduce flex and wear under load. Made from 1/4-inch plate steel, it improves steering stability and durability—especially on lifted or hard-used trucks. Designed to work with both factory and aftermarket idler supports.
- Increases idler arm support rigidity for improved steering durability
- Compatible with both factory and aftermarket idler supports
- Precision fitment for 2011+ GM HD trucks (2500/3500)
- Constructed from 1/4-inch high-strength plate steel
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2025 | Chevrolet | Silverado 2500 HD | Custom |
| 2015-2025 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2025 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2025 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2025 | Chevrolet | Silverado 2500 HD | WT |
| 2024-2025 | Chevrolet | Silverado 2500 HD | ZR2 |
| 2015-2025 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2025 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2025 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2025 | Chevrolet | Silverado 3500 HD | WT |
| 2020-2025 | GMC | Sierra 2500 HD | AT4 |
| 2024-2025 | GMC | Sierra 2500 HD | AT4X |
| 2015-2021 | GMC | Sierra 2500 HD | Base |
| 2011-2025 | GMC | Sierra 2500 HD | Denali |
| 2024-2025 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2022-2025 | GMC | Sierra 2500 HD | Pro |
| 2011-2025 | GMC | Sierra 2500 HD | SLE |
| 2011-2025 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2020-2025 | GMC | Sierra 3500 HD | AT4 |
| 2015-2021 | GMC | Sierra 3500 HD | Base |
| 2011-2025 | GMC | Sierra 3500 HD | Denali |
| 2024-2025 | GMC | Sierra 3500 HD | Denali Ultimate |
| 2022-2025 | GMC | Sierra 3500 HD | Pro |
| 2011-2025 | GMC | Sierra 3500 HD | SLE |
| 2011-2025 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |