Kryptonite Leveling Key Set For 2001-2010 Chevrolet/GMC 2500HD 3500HD 2003-2004-5.9l-24v-cummins "S" compressor cover 4

"S" compressor cover 4

(1) Rubber Insulator

Does not work with Factory Rear Air-Ride equipped trucks

and the addition of side gussets

Kryptonite Leveling Key Set For 2001-2010 Chevrolet/GMC 2500HD 3500HD 2003-2004-5.9l-24v-cummins "S" compressor cover 4Cranking up the factory torsion bars and keys overloads the adjusters and limits suspension travel, creating a harsher ride and accelerating front end wear. This system uses special re indexed torsion bar adjusting keys that level the vehicle without compromising suspension performance and ride quality. With this kit installed, you can use up to 33" Diameter tires. Installation is straight forward and can be accomplished in less than two hours,