Powerflex Black Series Car: Audi - RSQ3 (2014 - 2018) description: Rear Lower Spring Mount Outer purchased parts package: 2 installation location: rear notice: This bush is suitable for Road and Black Series applications. It is the same part as the Road Series but with Black Series packaging. Fits into 1K0505311AB wishbone. Diagram reference: 9 Part no.: PFR85-509BLK