ReadyLift - 5" Rear Block Kit - 2025 Chevy/GMC 1500 - 26-35500

A 5" OEM-style cast iron rear block kit for 2025 new-body-style Chevy/GMC 1500 6-lug trucks (net 4" of rear lift).

These ReadyLIFT OEM-style rear blocks fit the new 2025 body-style GM 1500 6-lug trucks. The 5" block safely lifts the rear an additional 4" after removing the factory 1" block, so you can take advantage of extra lift for towing and hauling, particularly when using a front leveling kit. Made from cast iron with built-in anti-rotation ears, the kit eliminates the dangers of stacked blocks.

Fits: 2025 Chevy Silverado / GMC Sierra 1500, new body style, 6-lug. Not compatible with vehicles equipped with rear composite mono-leaf springs (identifiable by round U-bolts around the top of the leaf spring); this kit works only with traditional steel leaf springs that use square U-bolts.

Features

• Net 4" of rear lift (5" block replaces the factory 1" block)
• OEM-style cast iron construction with built-in anti-rotation ears
• Includes new longer U-bolts and hardware
• Adds rake for towing and hauling
• Pairs well with a front leveling kit

Kit Includes

• Two (2) rear blocks
• Four (4) E-coated U-bolts
• Eight (8) nuts and washers

Notes

Not compatible with rear composite mono-leaf springs; check your rear leaf spring for compatibility before ordering. Backed by the ReadyLIFT lifetime warranty.