In older vehicles this is done via an Ignition Distributor, with newer vehicles using Multi-Outlet Coils with Ignition Leads connected directly to the Spark Plugs. Connector Type: Connector Type SAE | Resistive Ignition Cable | Connector Type M4.
Genuine Intermotor Ignition Cable Kit - 73931
Genuine Intermotor Ignition Cable Kit - 73833
Intermotor Ignition Cable Lead Set 73690 - BRAND NEW - GENUINE - 5 YEAR WARRANTY
Genuine Intermotor Ignition System Control Unit - 15861 SAME DAY DISPATCH
Genuine Intermotor Ignition Condenser - 33790
Genuine Intermotor Ignition Condenser - 34570