Check out this new wire crimping tool from pertronix for automotive use. If you're doing any kind of electrical work, or making spark plug wires, this tool is for you. According to Pertronix, a unique feature about this crimper set is the quick release interchangeable dies. They have included five different sets of dies that will handle most common automotive terminals including insulated and non-insulated terminals, D-sub terminals, open-barrel terminals, and naturally, spark plug wires.
The ratcheting action provides for a precise crimp every time, and is adjustable. The kit comes in a plastic case for storage and to keep the dies and tool together.