1" 2011-2025 GMC Sierra 2500HD / 3500HD 2wd/4wd Rear Block Kit by ReadyLift

Ready Lift's 26-30100 OEM-style rear block kits are tailored for GMC Sierra 2500HD / 3500 HD single rear wheel pickups. These kits comprise two (2) 1" rear blocks, four (4) E-Coated U-bolts, and eight (8) nuts and washers, providing a safe 1" lift for the rear of your 2WD and 4WD 8-lug single rear wheel GM trucks with a trailer package spring. Crafted in adherence to OEM designs and without lightweight extrusions, their 1" GM Blocks are constructed from cast iron, mirroring the strength and reliability of factory blocks.

Ready Lift Block Kits not only restore a slight rake to your truck for enhanced hauling or towing capability but are also engineered to integrate seamlessly with your ReadyLIFT Suspension Leveling Kit. As with all ReadyLIFT products, these block kits are backed by our Lifetime Warranty, ensuring enduring performance and peace of mind.

Features & Benefits

• 1 inch rear lift
• Easy install with no mods required
• OEM-style cast iron construction
• E-Coated for corrosion resistance
• New longer u-bolts
• Estimated install time: 0.5 - 2 hours
• Made in the USA