2001 up SUV with rear coil springs adds 1.5 inches to rear ride height Chevrolet Trailblazer XL GMC Envoy Buick Ranier Isuzu Asender Hummer H2 Economical solution for towing,cargo,or adding that extra amount of suspension travel and increase clearance Easily installed!! Built from cast aluminum SuspensionMAXX Lifetime structural warranty