| Years | Make | Model | Drive | Engine |
|---|---|---|---|---|
| 2011-2019 | Chevrolet | Silverado 2500 HD | 2WD | Gas |
| 2011-2019 | Chevrolet | Silverado 2500 HD | 4WD | Gas |
| 2011-2019 | GMC | Sierra 2500 HD | 2WD | Gas |
| 2011-2019 | GMC | Sierra 2500 HD | 4WD | Gas |
| 2011-2019 | Chevrolet | Silverado 3500 HD | 2WD | Gas |
| 2011-2019 | Chevrolet | Silverado 3500 HD | 4WD | Gas |
| 2011-2019 | GMC | Sierra 3500 HD | 2WD | Gas |
| 2011-2019 | GMC | Sierra 3500 HD | 4WD | Gas |
| 2011-2019 | Chevrolet | Silverado 2500 HD | 2WD | Diesel |
| 2011-2019 | Chevrolet | Silverado 2500 HD | 4WD | Diesel |
| 2011-2019 | GMC | Sierra 2500 HD | 2WD | Diesel |
| 2011-2019 | GMC | Sierra 2500 HD | 4WD | Diesel |
| 2011-2019 | Chevrolet | Silverado 3500 HD | 2WD | Diesel |
| 2011-2019 | Chevrolet | Silverado 3500 HD | 4WD | Diesel |
| 2011-2019 | GMC | Sierra 3500 HD | 2WD | Diesel |
| 2011-2019 | GMC | Sierra 3500 HD | 4WD | Diesel |
| 2 | Shock extenders |
| Mounting hardware |
Cognito .5 Inch Front Shock Extender kit for 2011-2019 Chevrolet and GMC 2500HD / 3500HD 2WD/4WD trucks. It will add .5 Inch to the length of the front shocks for leveling applications where the OE upper control arm and shock is used.
This extender kit is also used on Cognito lift kits that use the Fox shocks when the Cognito upper control arm is added to take advantage of increased droop travel. Mounting hardware is included.
