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This ARP single washer measures 5/16-inch ID by 0.675-inch OD with no chamfer and is intended as a precise hardware piece for rebuilds or assembly tasks. Its consistent dimensions ensure correct seating under bolt heads or nuts and help maintain proper clamp force in engine and chassis applications where accurate washer geometry is required.
ARP 5/16in ID x 0.675in OD No Chamfer Washer (One Washer)
