ARP Washer Kit 1/2" Inner Diameter Insert Washers 10-Pack

ARP Washer Kit — 1/2" Inner Diameter Insert Washers (10-Pack) Upgrade fastening reliability with this genuine ARP washer kit. Each pack contains ten precision-machined insert washers sized for a 1/2" inner diameter, engineered for consistent load distribution and corrosion resistance in high-performance applications. Brand: ARP — trusted in motorsports and performance engineering Quantity: 10 washers per pack Inner Diameter: 1/2" (0.500") for a secure fit on standard 1/2" fasteners Material & Finish: High-strength steel with a protective finish to resist galling and wear Application: Ideal for engine assembly, suspension, drivetrain and custom fabrication where consistent clamping force is critical These insert washers help prevent fastener pull-through, reduce fretting, and maintain repeatable torque readings—important for repeated service and precision assemblies. Choose ARP for durability and performance where it matters most.