SUPERPRO REAR LEAF SPRING BUSH KIT TO SUIT HOLDEN 4JB1-T 4JH1-TC 4JJ1-TCX 2.8L 3.0L I4SuperPro Leaf Spring Bush Kit Restore Stability and Confidence A leaf spring bush kit plays a vital role in controlling rear axle movement, yet it is often the last component considered during a suspension upgrade. When bushings wear out or degrade, the solid rear axle can shiftcausing instability under braking, unpredictable handling, and noticeable wander, especially when towing or carrying heavy loads. OE rubber bushes are built for standard ride