PFF19-1502G - PU ball design comes built up, in a press fit capsule. On car adjustable bush, allowing caster adjustment of +/- 0.33 degree. PFF19-2202 - PFF19-2202 Front Arm Rear Bush uses a CNC machined and plated mild steel shell and our Black 95A bush with a tapered bore design to allow for articulation, whilst improving steering precision and braking stability. PFF19-2203-22 - Please check the anti-roll bar diameter before ordering.