The ReadyLIFT 3" Rear Block Kit for the 2025 GM Silverado/Sierra 1500 replaces the factory rear block to provide a total of 2 inches of additional rear lift. This kit is designed to give your truck a slight rake for towing and hauling, especially when used with a front leveling kit. It is made from cast iron and has built-in anti-rotation ears. This kit eliminates the potential dangers of stacking blocks.

Features

• Replaces the factory rear block for a 2" rear lift.
• Includes two Rear Blocks, four E-Coated U-Bolts, and eight Nuts and Washers.
• Made from cast iron with built-in anti-rotation ears.
• Designed to work with the ReadyLIFT Suspension Leveling Kit.
• Comes with a Lifetime Warranty.
• Not compatible with vehicles equipped with rear composite mono-leaf springs.

Compatibility Notes

• This GM 1500 kit is NOT COMPATIBLE with vehicles equipped with rear composite mono-leaf springs. The mono-leaf is easily identifiable, the U-bolt is round/circular around the top of the leaf spring. This kit only works with a vehicle equipped with traditional steel leaf springs identified by square  U-bolts.