ARP 200-8474 3/8" ID Hardened Washer

The ARP 200-8474 is a precision-engineered hardened washer designed for high-performance engine and fastener applications. This washer features a 3/8" inner diameter and .725" outer diameter, specifically manufactured without a chamfer for applications requiring a flat bearing surface on both sides.

Key Specifications:

• Inner Diameter: 3/8 inch
• Outer Diameter: .725 inch (approximately 23/32")
• No chamfer design for maximum surface contact
• Hardened construction for superior strength and durability
• Parallel faces ensure even load distribution

ARP washers are manufactured to exacting tolerances and heat-treated to provide consistent clamping force and prevent embedment under high torque loads. These washers are essential components when installing ARP fasteners or any application where precise bolt tensioning and load distribution are critical to performance and reliability.