4" Rear Block Kit - GM Silverado / GMC Sierra 2500HD/3500HD 2011-2023
ReadyLIFT OEM-style rear block kits are available for the 2011-2023 GM 2500HD/3500HD trucks. These Rear Block Kits include two (2) Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2011-2023 2WD and 4WD 8-lug truck. Based on OEM designs and never made out of light weight extrusions, these 4" GM Blocks are made from cast iron just like the factory blocks, ensuring maximum strength and reliability. ReadyLIFT Block Kits will put a slight rake back in your truck for hauling or towing and are designed to work with your ReadyLIFT Suspension Leveling Kit. Like all ReadyLIFT products, these block kits come with our Lifetime Warranty. Longer shocks will be required if you do not currently already have longer rear shocks.
- 2011-2023 GM 2500HD/3500HD OEM Style 4" Rear Lift Block Kit
- 4" Tall rear block kit
- Cast Iron construction
- Ecoated finish
- Includes new longer ubolts and hardware
- Will require longer shocks if you don't already have them.
- 201120112023 GM 2500HD/3500HD OEM Style 4"" Rear Lift Block Kit
- E Ecoated finish
- Includes new longer u Includes new longer ubolts and hardware
Application Summary:
| Year |
Make/Model |
| 2011-2025 |
Chevrolet Silverado 2500 HD |
| 2011-2025 |
Chevrolet Silverado 3500 HD |
| 2011-2025 |
GMC Sierra 2500 HD |
| 2011-2025 |
GMC Sierra 3500 HD |
| Attributes |
| ASIN |
B00VBS3Z0W |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Color |
Black, Black |
| Country of Origin (Primary) |
US |
| Fitment |
Direct Fitment, Direct Fitment |
| GTIN |
00804879538219 |
| Harmonized Tariff Code (Schedule B) |
8708801600 |
| Hazardous Material Code |
N |
| Install Difficulty |
Difficult Requires Professional Installation, Difficult Requires Professional Installation |
| Installation Time |
1 Hour, 1 Hour |
| Life Cycle Status Code |
Available to Order |
| Material |
Cast Iron, Cast Iron |
| NAFTA Preference Criterion Code |
B |
| Nuts Included |
Yes, Yes |
| Position |
Rear |
| SDR Required Flag |
N |
