Before this 8-inch axle was sent out for rebuilding, a trial fit showed how accurately the new lines are formed and how well they will fit. Prebent lines have become a real time saver in our hobby, but often a custom bent and flared line will be required due to aftermarket suspension or brakes, but fear not, it's not that hard to do. For those of us making a custom line, it's imperative to acquire the correct type of brake line material and also to make sure the line ends are flared in the correct manner. Any deviation from correct procedure on the flaring of line ends could result in a leak and complete braking system failure. Don't make any substitutions in the selection of materials and seamless tubing is always a must.