ARP 200-8811 Insert Washer 1/2 Inch ID .995 Inch OD 2-Pack

The ARP 200-8811 insert washers are designed to protect the top of bolt holes from galling or collapsing around studs or bolts. These specialized washers feature a 1/2 inch inside diameter and .995 inch outside diameter, making them ideal for high-stress applications where hole integrity is critical.

Key Features:

• Fully CNC-machined from premium through-hardened 8740 chrome moly steel
• 1/2 inch inside diameter (ID) and .995 inch outside diameter (OD)
• Ideal for head bolt holes, mid-motor plates, or any high-wear area requiring a washer
• Provides superior protection against hole deformation under high loads
• Includes 2 washers per package

ARP insert washers are essential components for engine builders and performance enthusiasts who demand reliability in critical fastening applications. The through-hardened construction ensures these washers maintain their integrity even under extreme cylinder head clamping forces and repeated assembly cycles.