Powerflex Black Series Car: Ford - Sierra XR4i (1983-1985), XR4x4 (1985-1992) description: Front Inner Track Control Arm Bush purchased parts package: 2 installation location: front notice: Please Check Bolt Head Size For 19mm Use PFF19-103 & For 17mm use PFF19-102 Diagram reference: 2 Part no.: PFF19-103BLK