Ability to withstand rotational force.

The stress that occurs when twisting forces are applied.

Trade name for a hexagonal/star shaped tool that has extra machined slots for a better grip.

Applied to the sum total of the swept volumes for all cylinders in an engine. Also known as 'engine capacity'.

Correcting minor scratches, stone chips, etc., usually by the use of a small brush.

Soft glass with tough outer skin produced by heat treatment tempering.

A multisocket used to make electrical connections to a trailer.

Throttle Plate.

Tuned Port Injection

Throttle Position Potentiometer