An expression of the force exerted by a heavy spot (or counterbalance weight) on a tire. Multiply the weight times its distance from the axle center, i.e., 3 oz. x 7" = 21 ounce inches.
OUNCE INCHES
Meaning of OUNCE INCHES in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012