ARP 7/16" x 3/4" Special Purpose Washers CHEV FORD HOLDEN # 200-8558 Washers, Chromoly, Black Oxide, .438 in. I.D., .750 in. O.D., .120 in. Thick, Set of 10 Washer Outside Diameter (in.): 0.75 in. Washer Outside Diameter (mm): 19.050 mm Washer Inside Diameter (in.): 0.44 in. Washer Inside Diameter (mm): 11.125 mm Washer Thickness (in.): 0.120 in. Washer Thickness (mm): 3.048 mm Washer Material: Chromoly Washer Finish: Black oxide Inside Diameter Chamfer: Yes Hardened: Yes Quantity: Sold as a set of 10. ARP Special Purpose Washers Hardened ARP Special Purpose washers are parallel-ground from premium chromoly. They are available in a variety of sizes and thicknesses for use on virtually any application. Special connecting rod washers are available, as are some of the popular metric sizes. Build up your supply so you don't get caught short when the need arises.