Firestone's original helper spring kit is designed to level loads when you are hauling or towing to eliminate squat and return the vehicle designed ride height. Paired with a single path analog compressor kit and no drill mounting plate. A true All In One kit with everything you need in one box for a quick and easy install.
This Part Fits:
        
      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 | 
- Category:
- Suspension>Air Suspension Kits
- Clearance Item:
- N
- Core:
- N
- Core Price:
- 0
- LTL:
- N
- MPN:
- 2873
- Proposition 65:
- Y
 
              
    