ReadyLIFT 5 Inch Rear Block Kit - 2014-2018 Chevy GMC Silverado Sierra 1500 (26-3105)

This ReadyLIFT 5 inch rear block kit is for the 2014-2018 Chevy Silverado and GMC Sierra 1500, 2WD and 4WD. The cast iron blocks are OEM-style with built-in anti-rotation ears, and ReadyLIFT lists the kit at 4 inches of rear lift. It comes with longer U-bolts and hardware and avoids stacked blocks.

Key features

• Cast iron blocks with built-in anti-rotation ears
• OEM-based design, not lightweight extrusions
• Intended to pair with a ReadyLIFT suspension leveling kit
• Eliminates stacked blocks, which may be illegal in some states
• Lifetime warranty

What's included

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

Fitment and compatibility

• Fits 2014-2018 Chevy Silverado 1500 and GMC Sierra 1500, 2WD and 4WD
• New body style, 6-lug trucks
• ReadyLIFT recommends the 67-3809 rear shock extension kit or longer shocks
• Works with GM 6-lug 2.25 inch front leveling kits such as 66-3085

Specifications

• Brand: ReadyLIFT
• Part number: 26-3105
• Block height: 5 inch
• Rear lift: 4 inch
• Material: Cast iron
• Warranty: ReadyLIFT Lifetime Warranty
• Estimated install time: 1.8 hours, plus or minus 0.5 hours

Installation

Allow about 1.8 hours, plus or minus 0.5, not counting alignment or wheel and tire assembly. ReadyLIFT recommends a certified mechanic. Alignment may be required, check your headlamp aim afterward, and ADAS systems may need recalibration.

Modifying your suspension can change handling (SAE J2492). ReadyLIFT's page also carries a California Proposition 65 warning that names DEHP.