Person coilpacks / coil on plugs / COPs: Using the 4 unique coils from either a 1ZZ-FE or both with the NZ collection engines this negates the need for any igniter(s), spark plug qualified prospects, distributor cap and also a rotor button. We have been beginning to make some improvements https://4ageengineforsale54578.blogdal.com/31748726/5-simple-techniques-for-4age-20v-turbo-engine-for-sale