ARP 200-8507 Chrome Moly Hardened Washers - Black Oxide

The ARP 200-8507 is a high-performance washer engineered for demanding automotive applications. Constructed from premium chrome moly steel, this washer features a single-piece design without chamfer for maximum strength and reliability in cylinder head and other critical fastener applications.

Key Features:

• Premium chrome moly steel construction for superior strength and durability
• Parallel-ground surfaces ensure even load distribution and accurate torque readings
• Heat-treated and hardened to prevent deformation under high clamping loads
• Black oxide finish provides corrosion resistance and professional appearance
• Single-piece design with no I.D. chamfer for specific applications
• Precision manufactured to ARP's exacting quality standards

ARP washers are essential components in high-performance engine builds, providing the proper load distribution needed to prevent fastener failure and maintain accurate torque values. The hardened construction prevents washers from deforming or embedding into softer materials, ensuring consistent clamping force over time. Ideal for use with ARP cylinder head studs and bolts where precise fastener preload is critical.