PS1000 Mazda 13B Fully Terminated Harness Kit - Includes pre-wired HPI4 15AMP 4CH Ignition Module with flying lead ignition harness. Suits Square Bosch EV1 injector connectors. (Ignition coils are NOT included. Please order 4 x HT-020110 if required) *The fastest and most cost effective way to wire your racecar or engine conversion