A plate that takes the place of the flywheel on an engine such as to transfer drive to a torque converter.

Pulleys that transfer drive from one shaft to another.

Ratio between gears. For example 2:1 or 1.3:1.

Open shafts carrying the drive from the final drive to the driven wheels.

Transmission components in the line between the engine and wheels.

Description of how a vehicle in four-wheel drive (with no centre differential) can build up spring tension in its transmission components. This is because the front wheels may rotate at a slightly different speed to the rear wheels.

The plane (like a flat sheet) through which the drive operates.

The clutch disc that is driven by the pressure plate.

Open shafts carrying the drive from the final drive to the driven wheels.

The upper of the two headlamp beams. Also main beam and upper beam.