ARP 200-8784 High-Performance Black Oxide Washers 3/8" ID .655" OD (10-Pack)

ARP 200-8784 high-performance black oxide washers are precision-engineered fastener components designed for demanding automotive and racing applications. These washers feature a 3/8-inch inner diameter and .655-inch outer diameter, providing optimal load distribution and preventing fastener embedment into softer materials.

Key Features:

• Precision-machined for consistent dimensions and perfect fit
• Black oxide finish provides corrosion resistance and professional appearance
• 3/8-inch inner diameter fits standard 3/8-inch bolts and studs
• .655-inch outer diameter for increased bearing surface
• Manufactured from high-quality steel for superior strength and durability
• Ideal for use with ARP fasteners in engine builds and high-stress applications
• Convenient 10-piece package for multiple installations

ARP (Automotive Racing Products) is the world leader in fastener technology, trusted by professional engine builders and racers worldwide. These washers are essential components when building engines to exacting specifications, ensuring proper clamping force distribution and preventing damage to cylinder heads, intake manifolds, and other critical components.