Mercedes-Benz SLK R172 (2011-2020) Front Lower Arm Inner Bush - PFF40-701BLK Made using our Black 95A material and supplied with plated steel outer shells for enhanced durability, more precise steering feel and improved braking stability. Does not fit 4-matic models. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!