ARP 200-8717 Black Oxide Chromoly Washer 7/16" ID x 2.00" OD

The ARP 200-8717 is a high-quality black oxide coated flat washer designed for high-performance engine and drivetrain applications. This precision-manufactured washer features a 7/16-inch inner diameter and 2.00-inch outer diameter, providing optimal load distribution for fastener assemblies.

Key Features:

• 7/16-inch (0.4375") inner diameter for precise fitment
• 2.00-inch outer diameter for maximum clamping surface area
• Black oxide finish for corrosion resistance
• Manufactured from high-strength chromoly steel
• Ideal for cylinder head studs, main cap fasteners, and other critical applications
• Ensures even load distribution and prevents surface damage

ARP washers are heat-treated and precision-ground to exacting tolerances, making them essential components for any high-performance engine build. The oversized outer diameter provides increased surface area to prevent pull-through on aluminum components and ensures proper clamping force distribution.