The bell housing is a metal shield located between the engine and the transmission that contains the flywheel and the clutch. The main function of the bell housing is to facilitate space for the functioning of the clutch. BOSCH BRAND SPARK PLUGS The spark plug produces a spark, which ignites the air and fuel mixture and causes combustion to occur. There is at least one spark plug per cylinder and the timing of the spark must be accurate in order for combustion to occur and develop maximum power.
The bell housing is part of the transmission system on a gasoline(also known as petrol) or diesel powered vehicle. It is bolted to the engine block and contains the flywheel, the torque converter or clutch of the transmission. The starter motor is usually mounted here engaging with a ring gear on the flywheel.