What component of the ignition system is responsible for distributing high voltage power to each spark plug?

The component responsible for distributing high voltage power to each spark plug is the distributor. In an ignition system, the distributor plays a crucial role by directing the electrical current from the ignition coil to the appropriate cylinder at the right time during the engine's combustion cycle. It ensures that each spark plug receives the correct timing and voltage, which is essential for efficient engine operation.

The distributor is connected to the ignition coil and usually features a rotor that spins within it. As the rotor turns, it makes contact with terminals that lead to each spark plug, creating a pathway for the electrical charge to ignite the fuel-air mixture in the engine's cylinders. This coordinated timing is vital for optimal engine performance, fuel efficiency, and reduced emissions.

Other components listed, such as the emissions system, torsion bar, and fuel injector, play different roles in vehicle operation. The emissions system manages exhaust gases, the torsion bar is part of the suspension system, and the fuel injector delivers fuel to the engine, but none are involved in the distribution of electrical voltage to spark plugs. Therefore, the distributor is the correct answer for this question.