ARP 8740 Chrome Moly Washers Sold INDIVIDUALLY GENUINE ARP MADE IN THE USA !!! Part Number : 200-8501 Specs : Inside Diameter : 7/16" Outside Diameter : .675" Thickness : .062" Chamferred Inside Edge Black Oxide Treated 8740 Chrome Moly Steel See Our EBAY STORE For More ARP and Other ENGINE And PERFORMANCE Items