Chevy Colorado and GMC Canyon 2015-2022 4.10-4.56 Ratio Gear PackageRestore Factory Performance and Towing Power to Your Lifted Colorado. The 2nd Generation Chevy Colorado and GMC Canyon are capable mid size trucks, but the factory gearing is designed for stock tires and fuel economy, not for 33 inch tires or heavy overland loads. Once you lift these trucks, the transmission tends to "hunt" constantly on the highway, and towing performance drops significantly. Revolution Gear & Axle provides the fix with this complete