Which of the following is the best definition of the "King Pin Inclination (KPI)"?
The angle or inclination of the front suspension from vertical when viewed from the side of the vehicle.
The angle of the wheel from vertical when the suspension is viewed from the front of the vehicle.
The angle measured between the upper and lower swivel points of the front axle in relation to the true vertical line when the vehicle is viewed from either the front or the rear.
The angle of each wheel relative to the centre line or axis of the vehicle when viewed from above.