ARP Washer 3/8 ID 5/8 OD Machined Chamfer Black

ARP Washer 3/8" ID × 5/8" OD — Machined Chamfer, Black Brand: ARP Precision machined washer engineered for high-performance fastener assemblies. This ARP washer features a 3/8" inner diameter and 5/8" outer diameter with a chamfered edge and durable black finish to ensure a smooth bearing surface and reduced stress concentration. Exact fit: 3/8" ID for common ARP bolts and studs Stable load distribution: 5/8" OD spreads clamping forces to protect parts and prevent pull-through Machined chamfer: Smooth edge reduces thread and component damage during installation Black finish: Corrosion-resistant appearance that minimizes glare and blends with engine bay hardware High-quality construction: Manufactured to ARP tolerances for consistent thickness and concentricity Ideal for engine, drivetrain, and chassis applications where reliable clamping and precise alignment are required. Choose ARP performance hardware for longevity and repeatable torque results.