ARP 400-8473 Stainless Steel Flat Washer 3/8" ID 0.725" OD Chamfered

The ARP 400-8473 is a high-performance stainless steel flat washer designed for demanding automotive and racing applications. This precision-engineered washer features a 3/8-inch inner diameter, 0.725-inch outer diameter, and 0.090-inch thickness, making it ideal for use with performance fastener systems.

Key Features:

• Constructed from premium polished stainless steel for superior corrosion resistance and durability
• Inner diameter chamfer design ensures proper load distribution and seating
• Parallel-ground and hardened for consistent performance under high-stress conditions
• 3/8" (0.375") inner diameter with 0.725" outer diameter and 0.090" thickness
• Sold in convenient 10-piece packages for multiple applications

ARP Special Purpose Washers are manufactured to exacting quality standards and are suitable for engine assembly, connecting rod applications, and various high-performance fastener installations. These washers complement ARP's comprehensive line of racing and performance fasteners, ensuring reliable clamping force and preventing fastener failure in critical applications.