Max. bumper height for passenger cars - 22".

Max. bumper height for trucks and multipurpose vehicles with a GVWR of:

• 4,500 lbs or less - 24" front and 26" rear;
• 4,501 to 7,500 lbs - 27" front and 29" rear;
• 7,501 to 10,000 lbs - 28" front and 30" rear.

Max. bumper height for 4WD and dual wheel vehicles - 30" front and 31" rear.