Powerflex Polyurethane Bush kit for MG ZT Front Anti Roll Bar Mounts 24mm - PFF63-404-24BLK - Rover 220 Turbo front roll bar size is 23mm. For KV6 and M47R models ARB bushes are 24mm in diameter and K1.8 models are 23mm in diameter. - Bush Size: 24mm - 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!