Rolls-Royce Ghost RR4 (2008 - 2018 ) Front Upper Wishbone Bush Camber Adjustable - PFF5-6004GBLK PFF5-6004G is a replacement bush that is 66% stiffer than the original rubber bush and provides +/- 0.5 of on-car camber adjustment. For a non-adjustable version of this bush please use PFF5-6004. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!