Powerflex Polyurethane Bush kit for MG ZR Front Anti Roll Bar Mounts 19mm - PFF63-404-19BLK - Rover 220 Turbo front roll bar size is 23mm. - Bush Size: 19mm - 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!