
2011-2025 Duramax HD 2" Rear Block Kit (66-3112)
Description
Fits
| Year | Make | Model |
| 2011-2014 | Chevrolet | Silverado 2500 HD |
| 2011-2015 | GMC | Sierra 2500 HD |
| 2015 | Chevrolet | Silverado 2500 HD (WT) |
| 2015 | Chevrolet | Silverado 2500 HD (LTZ) |
| 2015 | Chevrolet | Silverado 2500 HD (LT) |
| 2016-2024 | Chevrolet | Silverado 2500 HD |
| 2016-2024 | GMC | Sierra 2500 HD |
If you need to add a slight rake back into your pickup, the last thing you should be doing is stacking blocks, this can cause severe damage and is incredibly unsafe. ReadyLift offers a wide variety of rear lift blocks so you can safely add the appropriate amount of height to your truck. Â Based on OEM designs and made from cast iron, these blocks are durable, easy to install, and make a great tow package upgrade.
Part Number:Â 66-3112
Features
- 2" rear lift
- OEM-style cast iron rear lift blocks
- U-Bolts
- Necessary Hardware
- Ideal for towing & hauling
- Adds slight rake
-
Eliminates stacking blocks
Includes:Â
- (2) 2" Rear Blocks
- (4) E-Coated U-Bolts
- (8) Nuts and Washers
Notes
- For use on Single Rear Wheel trucks only.Â
- Not Intended for use on trucks with factory overload springs unless custom length u-bolts are used.
Installation
- ReadyLIFT Suspension Inc. and/or Dirty Diesel Customs are NOT responsible for any damage or failure resulting from improper installation.
- Click Here to view installation instructions
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| Year | Make | Model |
| 2011-2014 | Chevrolet | Silverado 2500 HD |
| 2011-2015 | GMC | Sierra 2500 HD |
| 2015 | Chevrolet | Silverado 2500 HD (WT) |
| 2015 | Chevrolet | Silverado 2500 HD (LTZ) |
| 2015 | Chevrolet | Silverado 2500 HD (LT) |
| 2016-2024 | Chevrolet | Silverado 2500 HD |
| 2016-2024 | GMC | Sierra 2500 HD |
If you need to add a slight rake back into your pickup, the last thing you should be doing is stacking blocks, this can cause severe damage and is incredibly unsafe. ReadyLift offers a wide variety of rear lift blocks so you can safely add the appropriate amount of height to your truck. Â Based on OEM designs and made from cast iron, these blocks are durable, easy to install, and make a great tow package upgrade.
Part Number:Â 66-3112
Features
- 2" rear lift
- OEM-style cast iron rear lift blocks
- U-Bolts
- Necessary Hardware
- Ideal for towing & hauling
- Adds slight rake
-
Eliminates stacking blocks
Includes:Â
- (2) 2" Rear Blocks
- (4) E-Coated U-Bolts
- (8) Nuts and Washers
Notes
- For use on Single Rear Wheel trucks only.Â
- Not Intended for use on trucks with factory overload springs unless custom length u-bolts are used.
Installation
- ReadyLIFT Suspension Inc. and/or Dirty Diesel Customs are NOT responsible for any damage or failure resulting from improper installation.
- Click Here to view installation instructions











