A true high performance washer from ARP, available in a variety of sizes and thicknesses, and with or without I.D. (inside diameter) chamfers. These washers are constructed from either premium chrome moly with a black oxide finish or polished ARP stainless steel and are hardened.
        
      - Outside Diameter (in.):
 - 0.875 in.
 - Outside Diameter (mm):
 - 22.225 mm
 - Inside Diameter (in.):
 - 0.375 in.
 - Inside Diameter (mm):
 - 9.525 mm
 - Thickness (in.):
 - 0.150 in.
 - Thickness (mm):
 - 3.810 mm
 - Inside Diameter Chamfer:
 - No
 - Hardened:
 - Yes
 - Material:
 - Chromoly
 - Finish:
 - Black Oxide
 - Quantity:
 - Sold as a set of 10.