Replace xAxis™ bushings in SPC arms with the latest design using this complete bushing replacement kit. These xAxis™ joints feature free pivoting inner balls to maximize droop travel, are maintenance-free & booted to protect against contaminants. The bonded rubber outer shell is designed to maintain factory noise, vibration, and harshness (NVH) specifications. The kit includes four bushings, washers, and a press tool needed to install the new bushings in your arms. Note: This kit requires access to a shop press to install.