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

ReadyLIFT OEM-style rear block kits for the 2011-2023 Chevy Silverado/GMC Sierra  2500HD/3500HD 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 2011-2023 2WD and 4WD 8-lug Single Rear Wheel GM trucks 2". Based on OEM designs and never made out of lightweight extrusions, ReadyLIFT's 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.

Designed for Single Rear Wheel Only (will not fit Dually). Not intended for vehicles equipped with factory overload springs unless custom-length U-bolts are used (not included).

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: 

• Cast iron rear lift blocks 
• Longer U-bolts 
• Required hardware

Notes: 

• Single rear wheel only (does not fit dually)
• Not intended for vehicles equipped with factory overload springs unless custom-length U-bolts are used (not included)

Installation Guide