Special Purpose Washer 3/8" I.D, 5/8" O.D .120 Thick (10-Pack)

A true high performance washer from ARP, available in a variety of sizes and thicknesses, and with or without I.D. (inside diameter) chamfers. Our washers are constructed from either premium chrome moly with a black oxide finish or polished ARP stainless steel and are hardened.