ReadyLIFT 1 Inch Rear Block Kit - 2017-2022 Chevy GMC Canyon / 2015-2022 Colorado (66-3510)

This ReadyLIFT 1 inch rear block kit fits the 2017-2022 Chevy GMC Canyon and 2015-2022 Colorado and lifts the rear by 1 inch. The blocks are OEM-style cast iron with axle locator pins, not lightweight extrusions, and the kit comes with new longer U-bolts. It puts a slight rake in the truck for hauling or towing and is designed to work with a ReadyLIFT leveling kit.

Key features

• OEM-style cast iron blocks based on OEM designs
• Axle locator pins
• New longer E-coated U-bolts and hardware
• Designed to work with a ReadyLIFT suspension leveling kit

What's included

• (2) 1 inch cast iron rear blocks
• (4) E-coated U-bolts
• (8) nuts and washers

Fitment and compatibility

• Fits 2017-2022 Chevy GMC Canyon and 2015-2022 Colorado, 2WD and 4WD
• ReadyLIFT lists no exclusions
• Pairs with a ReadyLIFT suspension leveling kit if you want to level the truck

Specifications

• Brand: ReadyLIFT
• Part number: 66-3510
• Rear lift: 1 inch
• Block material: Cast iron
• Sold as: kit
• Estimated install time: 1.8 hours, plus or minus 0.5 hour
• Warranty: ReadyLIFT lifetime warranty

Installation

Allow about 1.8 hours, plus or minus 0.5, not counting alignment or wheel and tire assembly. ReadyLIFT recommends a certified mechanic. An alignment may be needed, headlamp aim must be checked and adjusted, and ADAS may need checking or recalibration.

Modifying your suspension can change how the truck handles (SAE J2492). California Proposition 65: ReadyLIFT lists DEHP.