Tuff Country 04-12 Chevy Colorado 4x4 4in Lift Kit (SX8000 Shocks)The Tuff Country EZ Ride Suspension engineering team has designed this Colorado lift kit around new driver passenger side steering knuckles and front rear cross members. These cross members are connected by a heavy duty skid plated designed to protect the front differential and stabilize the cross members. This superiorly designed Colorado kit also allows for the torsion bars to remain in the factory location, eliminating relocating of the stock