2011-2024 Duramax HD 2" Rear Block Kit (66-3122)

Fits

The ReadyLIFT OEM style rear block kit will safely lift the rear of your GM 2500HD/3500HD by 2". Readylift has based this kit on OEM designs and is never made out of lightweight extrusions. To ensure maximum strength and reliability, these 2" blocks have been made from cast iron just like the factory blocks. ReadyLIFT Block Kits will put a slight rake back in your truck which is ideal 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.

Part Number: 66-3122

• 2" rear lift
• OEM Style design
• Durable cast-iron construction

Includes:

• (2) 2" Rear Blocks
• (4) E-Coated U-Bolts
• (8) Nuts and Washers