Description
Fits
| Year | Make | Model | Configuration |
|---|---|---|---|
| 2011-2025 | Chevy / GMC | 2500 / 3500 HD | 2WD / 4WD (8-Lug SRW) |
ReadyLIFT OEM-style rear block kits are the perfect solution for 2011-2025 GM 2500/3500 HD single rear wheel (SRW) pickups looking for a reliable 1″ lift. These kits are specifically designed to put a slight rake back into your truck for better hauling and towing performance, making them an ideal companion for a front leveling kit. Unlike lightweight extrusions, these blocks are made from cast iron—just like factory components—to ensure maximum strength and reliability.
Part Number: 26-30100
Supersedes Part Number: 66-3111
Features
- Cast iron construction provides superior strength compared to aftermarket aluminum or light-duty blocks.
- Includes two 1″ rear blocks and four E-coated U-bolts with all necessary nuts and washers.
- Designed to safely lift 8-lug GM trucks equipped with the trailer package spring by 1″.
- Works seamlessly with ReadyLIFT suspension leveling kits.
Kit Components
- (2) 1″ Cast Iron Rear Blocks
- (4) E-Coated U-Bolts
- (8) Nuts and Washers
Notes
- Configuration: Fits Single Rear Wheel (SRW) trucks only; not compatible with Dually (DRW) models.
- Installation: Estimated installation time is approximately 1.5 hours. Professional installation by a certified mechanic is recommended.
- Post-Install: A professional alignment, headlamp adjustment, and ADAS recalibration (if equipped) are necessary following installation.
- Safety: Modifying your suspension changes vehicle handling. Always drive with caution and follow all safety warnings regarding modified vehicle dynamics.
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