ARP 200-8463 High Performance SAE Flat Washer 3/8" ID 0.725" OD Chromoly Black Oxide 2-Pack

ARP 200-8463 hardened SAE washers are precision-manufactured from premium 8740 chromoly steel with a durable black oxide finish. These high-performance flat washers are parallel-ground and heat-treated to provide superior clamping force and reliability in demanding automotive, racing, and performance applications.

Specifications:

• Inside Diameter (ID): 3/8 inch (0.375")
• Outside Diameter (OD): 0.725 inch
• Thickness: 0.090 inch
• Material: 8740 chromoly steel
• Finish: Black oxide
• Chamfer: Yes (inside diameter chamfered)
• Quantity: 2-piece set

ARP Special Purpose washers are available in a variety of sizes and thicknesses for use on virtually any application. These precision washers are designed to distribute fastener loads evenly and protect mounting surfaces from damage. The chamfered inside diameter prevents galling and ensures proper seating against bolt heads or nuts. Also available in bulk single-piece (200-8453) and 10-piece (200-8473) configurations.