Powerflex Polyurethane Bush kit for Porsche 944 S2 (1985 - 1991) Front Anti Roll Bar To Link Rod Bush 16mm - PFF57-205-16 - This fits anti roll bars measuring 20mm, 21.5mm 23mm & 24mm. - Bush Size: 16mm - 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!