Black Washer - 1/2 ID x 7/8 OD (1)

The Black Washer – 1/2 ID x 7/8 OD is a precision fastener component designed for securing bolted assemblies in various applications, particularly in automotive settings. This flat washer is essential for distributing clamping loads evenly, which helps prevent bolt head or nut embedment into softer materials. Mechanics involved in engine builds and drivetrain modifications will find this washer size commonly used in ARP stud kits and OEM critical fastening points.

With a 1/2-inch inner diameter and 7/8-inch outer diameter, this washer provides an optimal bearing surface for standard 1/2-inch fasteners while maintaining a low profile in tight engine bay spaces. The black finish, typically achieved through phosphate or oxide coating, offers corrosion resistance and a professional appearance without compromising functional integrity. The washer's minimal weight of 0.02 lbs makes it ideal for performance builds where weight considerations are critical.

High-performance engine builders, transmission specialists, and automotive enthusiasts trust this washer specification for applications such as head stud kits, intake manifold bolts, and suspension control arm fastening. It is compatible with both standard SAE bolts and metric equivalents, making it a versatile choice for various projects. This washer is a reliable component for anyone looking to enhance their vehicle's performance and durability.