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