ReadyLIFT OEM-style rear block kits are available for model specific applications. These Rear Block Kits include two (2) 3″ Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your truck an additional 1″ to 3″ depending on the application. Based on OEM designs and never made out of light weight extrusions, our 3″ GM Blocks are made from cast iron and have anti-rotation ears built-in. Fits 1999-2020 classic and current body style 6-lug model GM trucks. Models with 1.25″ OEM blocks will want to take advantage of the additional 1.75″ of lift for towing and hauling, particularly when using a front leveling kit. 1999-2006 4WD trucks will replace the factory 2″ block for 1″ of additional lift. This kit eliminates the dangers of having to stack blocks which may be illegal in some states. ReadyLIFT Block Kits will put a slight rake back in your truck for hauling or towing and are designed to work in concert with your ReadyLIFT Suspension Leveling Kit. Like all ReadyLIFT products, these block kits come with our Lifetime Warranty. Installation time is approximately 1.8 hours.
Note: 2019-UP models may need to trim off excess bolt length after installation.
Installation
DO IT YOURSELF!
Please read Instructions thoroughly and completely before beginning installation. Installation by a certified mechanic is recommended. ReadyLIFT Suspension Inc. or Crossed Industries, L.L.C. is NOT responsible for any damage or failure resulting from improper installation.
The products identified on this page can expose you to chemicals which are 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
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