5/16" x 25' Copper-Nickel Tubing Coil – Brake, Fuel & Transmission Line
The 4Lifetime 5/16" x 25' Copper-Nickel Tubing Coil is a universal solution for brake, fuel, gas, and transmission line applications. Built from high-strength copper-nickel alloy, this tubing offers unmatched corrosion resistance, flexibility, and long-term reliability—perfect for daily drivers, restorations, or custom builds.
Corrosion-Resistant & Road-Tested
Made from 90/10 copper-nickel, this tubing withstands moisture, road salt, and harsh environments without rusting or deteriorating—ideal for vehicles in coastal or snowy regions.
Smooth, Easy Installation
With a 0.028" wall thickness, the tubing provides a strong yet flexible structure that bends and flares with ease using standard hand tools. Perfect for routing through tight spaces or replacing OEM lines without cracking or kinking.
Universal Fit for Multi-System Use
This 5/16" tubing is compatible with a wide range of brake systems, fuel delivery lines, gas transport, and transmission cooler setups—a true multi-purpose line that simplifies your garage or shop inventory.
Key Features:
5/16" OD x 25 ft copper-nickel tubing coil
Rust-proof and corrosion-resistant for extended service life
Easy to bend, form, and flare with basic tools
Works with DOT brake fluid, fuel, gas, and ATF systems
Meets SAE and ISO standards
Trusted by professionals and DIYers alike
Backed by the 4Lifetime lifetime warranty
From classic restorations to high-mileage daily drivers, this coil delivers reliable performance and worry-free protection.
