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2" Rear Block Kit - GM Silverado / Sierra 2500 HD OEM Style 2011-2021

$149.95
In stock
SKU
66-3112

GM 2500HD/3500HD OEM Style 2" Rear Lift Block Kit

Fits 2011-2021 GM HD trucks.

Includes new longer u-bolts and hardware

OEM style cast iron construction.

NOTE:  Not intended for vehicles equipped with factory overload springs unless custom-length U-bolts are used (not included).

Have a question? Please call 800-549-4620

TIRE/WHEEL SIZING GUIDE

Frequently Bought Together
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  • ReadyLIFT OEM-style rear block kits are now available for the 2011-2021 GM 2500 HD single rear wheel pickups. These Rear Block Kits include two (2) 2" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2011-2021 2WD and 4WD 8-lug Single Rear Wheel GM trucks 2". Based on OEM designs and never made out of light weight extrusions, our 2" 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.

    Note: Single Rear Wheel Only (will not fit Dually)

    NOTE:  Not intended for vehicles equipped with factory overload springs unless custom-length U-bolts are used (not included).

  • Cast iron rear lift blocks with 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 that of factory-equipped vehicles. As with any vehicle, extreme care must be used to prevent loss of control or roll-over 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.

    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!


Quick Overview

GM 2500HD/3500HD OEM Style 2" Rear Lift Block Kit

Fits 2011-2021 GM HD trucks.

Includes new longer u-bolts and hardware

OEM style cast iron construction.

NOTE:  Not intended for vehicles equipped with factory overload springs unless custom-length U-bolts are used (not included).

Details

ReadyLIFT OEM-style rear block kits are now available for the 2011-2021 GM 2500 HD single rear wheel pickups. These Rear Block Kits include two (2) 2" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2011-2021 2WD and 4WD 8-lug Single Rear Wheel GM trucks 2". Based on OEM designs and never made out of light weight extrusions, our 2" 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.

Note: Single Rear Wheel Only (will not fit Dually)

NOTE:  Not intended for vehicles equipped with factory overload springs unless custom-length U-bolts are used (not included).

Kit Components

Cast iron rear lift blocks with 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 that of factory-equipped vehicles. As with any vehicle, extreme care must be used to prevent loss of control or roll-over 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.

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!