The Professional Choice for Brake Line Replacement
When you're replacing rotted brake lines, you want a material that is easy to work with but tough enough to outlast the vehicle. While standard copper is soft and easy to bend, it lacks the structural strength of steel and can work-harden over time. Copper Nickel (commonly known as Kunifer, CuNi, or NiCopp) is the industry standard for professional-grade brake line fabrication.
From a workshop perspective, Kunifer is the ultimate compromise. It contains nickel and iron, which gives it significantly higher fatigue strength than pure copper, allowing it to easily withstand the high pressures of modern braking systems. More importantly for UK roads, its resistance to salt and moisture corrosion is exceptional—meaning once you install these lines, you won’t be replacing them again for the next MOT.
Real-World Workshop Benefits:
Superior Corrosion Resistance: Unlike OEM steel lines that blister and rot, Copper Nickel resists road salt, grime, and moisture, making it ideal for daily drivers and classic restorations alike.
Excellent Workability: It is stiff enough to hold its shape along the chassis rails without sagging, yet malleable enough to be bent by hand or with a pipe bender without kinking.
Clean Flares: Kunifer takes a flare beautifully. Whether you are forming single (SAE) or double (DIN) flares, the material rolls smoothly under the flaring tool without splitting or cracking.
High Fatigue Strength: Engineered to handle constant pressure cycling without degrading, ensuring long-term safety and reliability under heavy braking.
If you are plumbing a brake system from scratch or patching in a section to get a car through its MOT, Copper Nickel is the safest, most durable material you can use. It saves time on the bench and guarantees a leak-free job that lasts.
Please note: The physical appearance or packaging of the pipe coil may vary slightly from the image shown.
Material: Copper Nickel
(Pipe may differ to image shown)
Copper pipes are more traditional and easier to work with however Copper Nickel (aka CuNI, Kunifer, cupro-nickel or NiCopp) is more resistant to corrosion and has a higher fatigue strength.
We can manufacture pipes to your exact specifications.
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