This is the Hot Racing Aluminum Suspension ride height (inch) and Camber Gauge.
Easily and accurately measures camber settings in 1 increments from
10 positive to 10 negative
Ideal for on-road and off-road cars and trucks
Thumb wheel locks gauge settings securely for precise adjusments
Aluminum construction, dark blue in color
One Camber Gauge
Adjusting gauge to desired setting, placing gauge against wheel or
tire and adjusting camber linkages until wheel is aligned with the
gauge at the top and bottom
Typical off-road buggy and truck settings:
Front: 1-3 negative
Rear: 0-1 negative
Negative camber prevents the outside edge of the tire from
rolling under during cornering. However, too much negative camber
will cause loss of traction under straight-line acceleration