Land Rover Discovery Discovery 4 / LR4 (2009 - 2016) Rear Upper Wishbone Front Bush - PFR32-412 PFR32-412 Rear Upper Wishbone Front Bush features tapered voiding to allow a controlled amount of movement and is made using our Shore 80A Purple material. This bush replaces OE number RGX500201. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!