Designed for use when mounting your coil in a non-stock or remote location. they feature a 42" premium 8.8mm lead with your choice of four core types. Graphite, spiral, stainless steel or 300+ race wire. The 20 piece kit includes boots and terminals for conventional and HEI as well as male and female distributor and coil towers. Terminals, crimper, anvil, slicone lube, and instruction sheet are all included.