Mercedes-Benz SL R129 (1989-2001) Front Anti Roll Bar Bush 30mm 30 - PFF40-403-30 This part is designed to fit front anti-roll bar size 30mm. Please check anti-roll bar size before ordering. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!