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5" Rear Block Kit - GM Silverado / Sierra 2500HD/3500HD 2011-2023

$189.95
In stock
SKU
26-3205

2011-2023 GM 2500HD/3500HD OEM Style 5" Rear Lift Block Kit 5" Tall rear block kit Cast Iron construction E-coated finish Includes new longer u-bolts and hardware. Will require longer shocks if you don't already have them.

Have a question? Please call 800-549-4620

TIRE/WHEEL SIZING GUIDE

California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm www.P65Warnings.ca.gov
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  • 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 2WD and 4WD 8-lug truck.  Based on OEM designs and never made out of light weight extrusions our 5" 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.
  • One pair of cast iron OEM style rear lift blocks.

    Longer u-bolts and hardware.

  • 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.

     

    INSTALLATION ALIGNMENT NOTE:  Your vehicle may require alignment after product installation.  You may incur additional costs to align the vehicle.

     

    INSTALLATION HEADLAMP AIM NOTE:  In addition to your vehicle alignment, for your safety and others, it is necessary to check and adjust your vehicle headlamps for proper aim and alignment after product installation.  You may incur additional costs to adjust the headlamp system.

     

    INSTALLATION ADVANCED DRIVER ASSISTANCE SYSTEMS (ADAS) NOTE:  If your vehicle is equipped with active or passive safety/collision monitoring and/or assistance/avoidance systems including, but not limited to, camera- or radar/sonar-based systems, check and adjust your vehicle’s systems for proper aim and function after product installation.   In some instances, your vehicle may require OEM dealer service tools and factory-trained technicians to re-calibrate ADAS.  You may incur additional costs to adjust ADAS systems.

     


    Estimated Installation Time: 1.8 Hours +/- 0.5 hours (excluding alignment and wheel/tire assembly)

    Have a certified mechanic do it for you!

  • California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm www.P65Warnings.ca.gov

Quick Overview
2011-2023 GM 2500HD/3500HD OEM Style 5" Rear Lift Block Kit 5" Tall rear block kit Cast Iron construction E-coated finish Includes new longer u-bolts and hardware. Will require longer shocks if you don't already have them.
Details
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 2WD and 4WD 8-lug truck.  Based on OEM designs and never made out of light weight extrusions our 5" 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.
Kit Components

One pair of cast iron OEM style rear lift blocks.

Longer u-bolts and hardware.

Installation

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.

 

INSTALLATION ALIGNMENT NOTE:  Your vehicle may require alignment after product installation.  You may incur additional costs to align the vehicle.

 

INSTALLATION HEADLAMP AIM NOTE:  In addition to your vehicle alignment, for your safety and others, it is necessary to check and adjust your vehicle headlamps for proper aim and alignment after product installation.  You may incur additional costs to adjust the headlamp system.

 

INSTALLATION ADVANCED DRIVER ASSISTANCE SYSTEMS (ADAS) NOTE:  If your vehicle is equipped with active or passive safety/collision monitoring and/or assistance/avoidance systems including, but not limited to, camera- or radar/sonar-based systems, check and adjust your vehicle’s systems for proper aim and function after product installation.   In some instances, your vehicle may require OEM dealer service tools and factory-trained technicians to re-calibrate ADAS.  You may incur additional costs to adjust ADAS systems.

 




DO IT YOURSELF: Please read Instructions thoroughly and completely before beginning installation. Installation by a certified mechanic is recommended. ReadyLIFT Suspension Inc. is NOT responsible for any damage or failure resulting from improper installation. Download Pdf Instructions
Estimated Installation Time: 1.8 Hours +/- 0.5 hours (excluding alignment and wheel/tire assembly)

Have a certified mechanic do it for you!

Additional Information
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm www.P65Warnings.ca.gov
Warning: This product can expose you to chemicals include [name of chemical], which [is/are] known to the State of California to case [cancer]/[birth defects or other reproductive harm]. For more information go to www.P65Warnings.ca.gov.