Fits: 2011 thru 2023 Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel

ReadyLIFT OEM style rear block kits for the 2011-2022 GM 2500 HD single rear wheel pickups with the factory Trailer Package rear leaf springs. 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 2011-2022 2WD and 4WD 8-lug Single Rear Wheel GM trucks with trailer package springs 2".

Based on OEM designs and never made out of light weight extrusions, these 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.

Features: 

• Safely lift the rear of your Duramax
• Based on OEM designs
• Constructed out of cast iron yielding strength and reliability 
• Slight rake for hauling or towing
• Lifetime warranty 

Includes: 

• 2 rear cast iron lift blocks
• Longer U-bolts specific for trailer package and dually rear suspension 

Notes: 

• This kit is not compatible with trucks equipped with top-mounted overload springs
• For use only on 2500HD trucks that have the factory Trailer Package rear springs
• For use on 3500HD dual rear wheel trucks Fits 2011-2023 GM HD trucks

Installation Guide