Upgrade your vehicle’s fluid routing with the Earl’s Zinc Steel Hardline Tubing Kit, engineered for reliable performance and long-term durability in demanding automotive applications. Constructed from double-wall, low carbon steel with copper brazing and a protective zinc finish, this hardline tubing delivers excellent corrosion resistance while maintaining consistent pressure handling for brake, fuel, and transmission systems. Designed for precision fitment and versatility, this 5/16-inch hardline is suitable for a wide range of automotive hardline needs, including brake lines, fuel delivery, and transmission cooler routing. The zinc-plated finish enhances longevity in harsh environments, while the included tube nuts simplify installation and ensure secure, leak-free connections across multiple fluid types.
𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀:
- Double-wall low carbon steel construction for added strength
- Zinc-plated finish for enhanced corrosion resistance
- Suitable for brake, fuel, and transmission cooler applications
- 25-foot continuous length for custom routing flexibility
- Includes (10) 1/2"-20 tube nuts for secure connections
- High working pressure rating for demanding automotive use