Nut & Washer Set (FK003)

The FK003 Nut and Washer Set from Sytec offers precision-fitting hardware for metric and NPT connections in fuel and oil systems. Crafted by The Green Spark Plug Company, this durable kit includes high‑quality nuts and washers designed to seal reliably under pressure, resist corrosion, and simplify maintenance. Ideal for copper pipe assemblies, hoses, and adapters, the set provides consistent threads and dependable torque across a range of common sizes. Whether you're tightening a legacy engine line or configuring a modern fuel path, these components deliver secure, leak‑free joins. The kit is compact, clearly labeled, and ships with recommended torque guidance to help technicians avoid over-tightening. Upgrade your service toolkit with a reliable nut and washer assortment built for durability and ease of use.