The Cusco pillowball rear trailing arm bushing kit fits Subaru GC8 WRX (1992–1999) and GDB STi (2001–2007) applications and replaces the trailing arm bushings with pillowball-type units. It provides a stiffer, more direct rear trailing arm connection compared to standard rubber bushings and is offered specifically for the listed GC8 and GDB chassis and model years.
Cusco 92-99 Subaru GC8 WRX/01-07 GDB STi Pillowball Rear Trailing Arm Bushing Kit