This ARP M9 chamfered washer pair features a .670-inch outer diameter and an M9 inner diameter in black finish, supplied as a 2-pack. These chamfered washers are hardware components intended to seat and distribute clamping loads for fasteners where M9 sizing is required. Packaged as matched pairs, they provide consistent dimensions for assembly tasks that call for chamfered seating and proper alignment of mating surfaces.
ARP M9 ID .670 OD Chamfer Black Washer - 2 Pack