ARP 200-8530 Chrome Moly Hardened Washers ID - 3/8 10-Piece

These precision-ground washers feature a 3/8-inch inside diameter with no chamfer, providing optimal load distribution for cylinder head fasteners and other critical engine hardware.

Key Features:

• Constructed from premium chrome moly steel for superior strength and durability
• Parallel-ground surfaces ensure even load distribution and proper fastener preload
• Heat-treated and hardened to prevent deformation under high clamping loads
• Black oxide finish provides corrosion resistance and professional appearance
• 3/8-inch inside diameter, no chamfer design
• Includes 10 washers per package

ARP washers are essential components in any high-performance engine build, providing the precision and reliability needed for proper fastener installation. These washers help prevent fastener head embedment into softer materials and ensure accurate torque readings during assembly. Ideal for use with ARP head studs, bolts, and other fastener applications where maximum clamping force and reliability are required.