Powerflex Black Series Car: Mitsubishi - Lancer Evolution VII, VIII & IX inc 260 (2001 - 2007) description: Rear Diff Front Mounting Bush, RS Models Only purchased parts package: 2 installation location: rear notice: Fits RS models and non AYC vehicles only. For vehicles fitted with AYC use PFR44-120. Diagram reference: 14 Part no.: PFR44-420BLK