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1'' Rear Block Kit - GM Silverado / Sierra 2500/3500 HD OEM Style W/ Factory Top Overloads 2011-2018

$169.95
In stock
SKU
66-3121

GM 2500HD/3500HD OEM Style 1" Rear Lift Block Kit

For Use Only on SRW 2500HD trucks that have the factory Trailer Package rear springs.

Have a question? Please call 877-759-9991

TIRE/WHEEL SIZING GUIDE

GM 2500HD/3500HD OEM Style 1" Rear Lift Block Kit

For Use Only on SRW 2500HD trucks that have the factory Trailer Package rear springs.

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  • ReadyLIFT OEM style rear block kits are available for the 2011-2018 GM 2500 HD single rear wheel pickups with the factory Trailer Package rear springs.  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 2011-2018 2WD and 4WD 8-lug Single Rear Wheel GM trucks with trailer package springs 1".  Based on OEM designs and never made out of light weight 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.  

    NOTE:  For Use Only on 2500HD trucks that have the factory Trailer Package rear springs.
  • One pair of OEM style cast iron rear lift blocks.

    Longer u-bolts and hardware.

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  • 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!