ARP 400-8544 Chrome Moly Hardened Washers ID - 3/8 10-Piece Set

ARP 400-8544 is a premium 10-piece washer set engineered for high-performance engine applications. These washers feature a 3/8" inside diameter with no chamfer design, ideal for cylinder head fastener installations requiring precise load distribution.

Key Features:

• Premium chrome moly steel construction for superior strength and durability
• Parallel-ground surfaces ensure even load distribution across fasteners
• Heat-treated and hardened to maintain shape under extreme clamping forces
• Black oxide finish provides corrosion resistance and professional appearance
• No chamfer design on inside diameter for specific applications
• Precision manufactured to ARP's exacting tolerances

ARP washers are essential components for serious engine builders who demand reliable, consistent performance. These washers work in conjunction with ARP fasteners to provide proper load distribution and prevent embedment into soft materials. The 10-piece package ensures you have adequate supply for complete cylinder head installations or to keep as shop inventory for critical builds.