Powerflex Black Series Car: Vauxhall / Opel - Signum (2003 - 2008) description: Rear Lower Arm Inner Bush purchased parts package: 2 installation location: rear notice: Fits into the voiding of the original bush with an 86mm wide bracket. For cars with a 79mm wide bracket, use PFF80-1221R. Additional NVH may be felt when fitting this part. For tuned diesel vehicles, use PFF80-1220 / PFF80-1221 for added durability. Diagram reference: 16 Part no.: PFR80-1216BLK