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 |
