
The ARP M6 ID x .990 OD black washer kit offers metric M6 inner diameter washers with a .990-inch outer diameter and a black finish for a low-visibility look. Intended for use with M6 fasteners, this set supplies washers sized to fit assemblies calling for that specific inner and outer diameter pairing during repairs, rebuilds, or routine service where exact dimensional fit is needed.
ARP M6 ID .990 OD black washers