ARP Washer 5/16in ID x 0.675in OD No Chamfer Single

ARP Washer 5/16in ID x 0.675in OD — No Chamfer (Single) Precision-engineered ARP washer for high-performance fastening applications. This single washer features a 5/16" inner diameter and a 0.675" outer diameter with a straight edge — no chamfer — for consistent clamping and load distribution. Inner Diameter: 5/16" (0.3125") Outer Diameter: 0.675" Type: No chamfer / flat washer Quantity: One washer Built to ARP's exacting standards, this washer is ideal for engine assembly, custom fabrication, and motorsport applications where reliable torque retention and even pressure are critical. Use with compatible 5/16" fasteners to prevent pull-through, protect mating surfaces, and maintain joint integrity under vibration and thermal cycling. Features & benefits: corrosion-resistant finish, uniform thickness for predictable clamp load, and engineered tolerances for repeatable performance. Compatible with ARP bolts and a wide range of OEM and aftermarket hardware. Order a single washer as a replacement or stock up for precision builds.