Person coilpacks / coil on plugs / COPs: Using the four individual coils from either a 1ZZ-FE or both in the NZ sequence engines this negates the need for virtually any igniter(s), spark plug leads, distributor cap and a rotor button. Re: ITB Conversion on sixteen valve 4AGE the blacktops https://zandersnbmw.blogoxo.com/31474572/5-simple-techniques-for-4age-20v-turbo-engine-for-sale