5'' Rear Block Kit - GM Silverado / Sierra 2500HD/3500HD 2011-2017
5" Tall rear block kit
Cast Iron construction
Includes new longer u-bolts and hardware.
Will require longer shocks if you don't already have them.
ReadyLIFT® OEM style rear block kits are now available for the new 2011-UP GM 2500HD/3500HD trucks. These Rear Block Kits include (2) Rear Blocks, (4) E-Coated U-Bolts, (8) Nuts and Washers and will safely lift the rear of your 2011-Up 2WD and 4WD 8-lug 5". Based on OEM designs and never made out of light weight extrusions our 5” GM Blocks are made from cast iron just like the factory blocks, insuring 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.
Longer shocks will be required if you do not currently already have longer rear shocks.
- OEM style design
- Made from cast iron, not light weight extrusions
- Built in locator pin, not pressed in
- Puts the rake back in your truck for towing and hauling
- Lifetime Warranty
- Installation time is approximately 1+ hours.
One pair of cast iron OEM style rear lift blocks.
Longer u-bolts and hardware.
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