ARP 200-8765 Black Oxide Washer 3/8" ID x .655" OD

The ARP 200-8765 is a precision-engineered black oxide-coated washer designed for high-performance engine and fastener applications. This washer features a 3/8" inner diameter and .655" outer diameter with no chamfer, providing a flat bearing surface for optimal load distribution.

Key Features:

• 3/8" inner diameter for use with ARP fasteners and standard bolts
• .655" outer diameter provides increased bearing surface area
• Black oxide finish for corrosion resistance and professional appearance
• No chamfer design ensures consistent, flat contact surface
• Precision manufactured to ARP's exacting tolerances
• Ideal for engine building, cylinder head installation, and high-stress applications

ARP washers are heat-treated and manufactured from premium materials to withstand the extreme clamping loads generated by high-performance fasteners. The black oxide coating provides a durable, corrosion-resistant finish while maintaining precise dimensional accuracy. Sold individually.