1" Rear Block Kit - GM Silverado / Sierra 2500/3500 HD 2011-2026
Description
ReadyLIFT OEM style rear block kits are available for the 2011-2026 GM 2500/3500 HD single rear wheel pickups. These Rear Block Kits include two (2) 1" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2011-2026 2WD and 4WD 8-lug Single Rear Wheel GM trucks with trailer package spring 1". Based on OEM designs and never made out of lightweight extrusions our 1" 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.
One pair of OEM style cast iron rear lift blocks.
Longer u-bolts and hardware.
WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/product
SAEJ2492 WARNING: By installing this product, you acknowledge that the suspension of this vehicle has been modified. As a result, this vehicle may handle differently than factory-equipped vehicles. As with any vehicle, extreme care must be used to prevent loss of control or rollover during sharp turns or abrupt maneuvers. Always wear seat belts, and drive safely, recognizing that reduced speeds and specialized driving techniques may be required. Failure to drive this vehicle safely may result in serious injury or death. Do not drive this vehicle unless you are familiar with its unique handling characteristics and are confident of your ability to maintain control under all driving conditions. Some modifications (and combinations of modifications) are not recommended and may not be permitted in your state. Consult your owner's manual, the instructions accompanying this product, and state laws before undertaking these modifications. You are responsible for the legality and safety of the vehicle you modify using these components.
ADDITIONAL SERVICES & COSTS MAY BE REQUIRED
INSTALLATION ALIGNMENT NOTE
Your vehicle may require a wheel alignment following installation to ensure proper handling and tire wear.
Additional alignment costs may apply.
INSTALLATION HEADLAMP AIM NOTE
Headlamp aim and alignment must be checked and adjusted as necessary following installation to help ensure proper visibility and the safety of other drivers.
Additional headlamp adjustment costs may apply.
ADVANCED DRIVER ASSISTANCE SYSTEMS (ADAS) NOTE
If your vehicle is equipped with active or passive safety, collision monitoring, or driver assistance systems, these systems must be checked and adjusted as necessary following installation.
This includes, but is not limited to, camera-based and radar-based systems that may be affected by changes in vehicle ride height or suspension geometry.
Some vehicles may require OEM diagnostic equipment and factory-trained technicians to properly recalibrate ADAS functions.
Additional ADAS calibration costs may apply.
TIRE/WHEEL SIZING GUIDE