Powerflex Polyurethane Bush kit for BMW E32 7 Series (1988-1994) Front Inner TCA Bush - PFF5-602BLK - This bush replaces bush part number 31121124622 which fits models with with steel arms 31121139991 & 31121139992 . For models alloy arms 31121139987 & 31121139988 use PFF5-620. - Bush Size: - PRICE IS PER CAR KIT, NOT per bush. Powerflex usually price their bushes singly, but we have combined the QTY and price to keep it simple for you!