As the miles rack up on your Z, the rear subframe bushings begin to wear out, causing excessive play and motion of the subframe. Since the OEM rubber bushings are the medium of which all the accellerative and decelerative forces of the rear wheels pass through, play in this area will cause excesive wheel-hop as well as sub-par handling.

We have designed and manufactured these aluminum subframe bushings with an offset in thicknesses which modifies the suspension geometry to the advantage of eliminating wheel-hop and reducing squat.

Although this installation is more involved as it requires removal of the subframe assembly and removal of the OEM bushings, the advantages of this setup far exceed the basic subframe bushing kit.