Supreme Suspensions - Colorado Lift Kit Full Suspension Lift Adjustable 1 to 3" Front Lift Torsion Keys + 1 to 2" Rear Lift Shackles (Black) Easy Install Chevy Colorado Leveling Kit 4WD 4x4 PRO CONTENTS: 2x Cold-Forged Carbon Steel MAX-Torsion Keys, 2x Carbon Steel Shackles, Hardware, Instructions and Pro Pack. FITMENTS: Chevy Colorado 2004 -2012 4WD; GMC Canyon 2004 - 2012 4WD; Will NOT fit 2WD models unless you have the Z71 model (with a torsion bar suspension) TECHNICAL NOTES: Adjustable 1 - 3 inch suspension lift and 1 - 2 inch rear suspension lift. For 4WD models only. BENEFITS: Improves look and increases ground clearance, allowing you to fit larger custom rims and tires. TWICE as strong as factory keys and indexed for lift. Adjustable front and rear suspension system lifts accoring to your preference. INSTALLATION: Easy 'bolt-on' installation takes 2 - 4 hours. A torsion bar puller is required.