Our 6” system for 2001-08 GM HD’s has been designed to provide
superior suspension performance for daily driving or for offroad.
This is accomplished using our proven one piece lower control
arm crossmembers and extended length steering knuckles with a
multitude of shock absorber options. The 1/4” thick arched lower
control arms crossmembers include an integrated front differential
skid plate, crossmembers support tubes and rear impact struts to
distribute front suspension impact loads though the frame evenly. A
new knuckle design was introduced in 2007 with this system that
provides reduced track width to keep the tires under the fenders. This
system also includes torsion bar drop mounts, extended length sway
bar links with urethane bushings, front and rear bump stop brackets,
rear block and add a leaf system.