Powerflex Polyurethane Bush kit for Porsche 944 S2 (1985 - 1991) Front Wishbone Rear Bush - PFF57-303 - Use this bush to replace the front arm rear bush if it is D shaped, if the original bush is round use PFF57-203. - Bush Size: D shaped - 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!