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The ARP 5/16" ID, .675" OD chamfer washer provides a chamfered profile for improved seating with angled or countersunk surfaces, sized for standard 5/16-inch shafts. Intended for engine hardware and mechanical assemblies, the washer helps align fasteners and maintain consistent spacing while minimizing edge stress. It’s useful during rebuilds or repairs that demand precise washer geometry.
ARP 5/16 ID .675 OD chamfer washers
