The BBS PFS kit for Volvo 850 is a vehicle-specific fitment kit that supplies the hub ring and retaining clip needed to match BBS wheels to the factory hub; this listing notes the clip is included. It includes a 70mm outer-diameter ring with a 65mm inner diameter and a 70mm clip, intended to ensure correct wheel seating and help maintain alignment when BBS wheels are fitted.
BBS PFS KIT - Volvo 850 - Includes 70mm OD - 65mm ID Ring / 70mm Clip