Your big Duramax build may be able to make big power, but you also need to make sure it comes to a complete stop even if you are pushing it really hard. Russell Performance's high-quality, heavy-duty Duramax brake lines will help give your truck the braking power and reliability your truck needs to be at its very best. Russell's brake lines are made out of durable braided stainless steel and are a great way to win back reliability and pedal feel over the stock rubber brake lines. Russell's brake lines drop right into place of stock, making them a hassle-free upgrade for your truck.