[BrianG]

While a "true" Neu is maybe a bit better, the Castle Neus are built more for car use. They have sealed ends to keep the dirt out, and the wires are flexible noodle wires instead of coil wire extensions, which allow for more repeated/easier bending without breaking. The coil wires, being stiff, can be bent only so many times before they start to break, and when that happens, bye bye motor. In an offroad vehicle, the constant jumps and bumps can be hard on those wires. If he still wants a true Neu, that's fine (many people use them), but for the cost, the Castle Neus are VERY hard to beat.