Person coilpacks / coil on plugs / COPs: Using the four individual coils from either a 1ZZ-FE or either on the NZ sequence engines this negates the need for almost any igniter(s), spark plug qualified prospects, distributor cap along with a rotor button. This came out in 1983 as a https://4age20v14703.theisblog.com/31543567/the-smart-trick-of-toyota-4a-ge-that-nobody-is-discussing