Aluminum Backing Washer

The ALLSTAR PERFORMANCE Aluminum Backing Washer (ALL 64326) is a precision flat spacer engineered for applications requiring reliable load distribution and dimensional control. This aluminum backing washer features a 0.625-inch inner diameter, 2.25-inch outer diameter, and 0.188-inch thickness, providing a compact yet effective spacer solution for fastening systems, chassis work, and equipment assembly across performance and industrial applications.

Constructed from aluminum in natural finish, this backing washer delivers lightweight performance without sacrificing structural integrity. The material choice ensures corrosion resistance in varied environmental conditions while keeping overall component weight minimal—critical for applications where mass reduction matters. The 0.188-inch thickness provides adequate bearing surface for medium-duty fastening applications, while the 2.25-inch outer diameter distributes load efficiently across the bearing surface. This washer works as an essential component in suspension tuning, engine bay fastening, and chassis reinforcement where precise spacing between components prevents damage to softer materials and maintains accurate alignment.

Buyers working on performance vehicles, off-road builds, marine equipment, and industrial fastening projects rely on backing washers to protect component surfaces and maintain bolt preload consistency. The aluminum construction makes this washer ideal for weight-conscious builds while the natural finish accepts painting or anodizing if custom finishing is required. Whether securing brackets, spacers, or load-bearing hardware, this ALLSTAR PERFORMANCE washer delivers the dimensional precision and material quality expected in performance applications.

ALLSTAR PERFORMANCE has established itself as a trusted supplier of performance fasteners and hardware components across the automotive and powersports industries. This backing washer represents the brand's commitment to precision manufacturing and material selection, offering builders and technicians a proven solution for repeatable assembly and long-term reliability.