ARP 400-8747 Stainless Steel Special Purpose Washer 7/16" ID

ARP 400-8747 stainless steel special purpose washers deliver premium quality and durability for high-performance automotive, racing, and powersports applications. These precision-engineered washers are manufactured from high-grade stainless steel and are parallel-ground and hardened to ensure consistent performance under demanding conditions.

Key Features:

• Premium stainless steel construction for superior corrosion resistance
• Parallel-ground for precise, even load distribution
• Hardened to RC 38-42 for durability and strength
• 7/16 inch (0.437") inside diameter
• 0.875 inch outside diameter
• 0.120 inch thickness
• Suitable for accessories, chassis components, and general purpose applications

ARP washers are engineered to professional racing standards and manufactured in-house to maintain strict quality control. These special purpose washers are ideal for building up your fastener inventory so you have the right hardware when you need it. Note that these washers are designed for general purpose use on accessories and chassis components, and are not intended for critical high-stress applications such as cylinder heads, main caps, or connecting rods.