Arizona Lift Laws and Vehicle Equipment Laws

Arizona’s street legal regulations are listed in the Arizona Revised Statutes (ARS).

The maximum vehicle size in Arizona is 102 inches wide, 13 feet 6 inches tall, and 40 feet long for a single vehicle.

All tires on vehicles driven in Arizona must be in safe operating condition, without any bulges or exposed cords. There is no specific minimum tread depth and no information on tire grooving .

Arizona’s code makes no reference to wheels, however, they do need to be safe for highway use.

Cars and trucks driven in Arizona are required to have brakes on all 4 wheels. The brakes must be capable of stopping the vehicle from a speed of 20 mph within 30 feet. A secondary, mechanical, parking brake is also required.

Arizona does not have any specific rules for a vehicle’s steering system other than that it needing to be in safe operating condition.

There are no specific suspension lift limits or suspension modification restrictions in Arizona.

Arizona does not have a vehicle frame height limitation.

There are no bumper height restrictions in Arizona.

In Arizona, mud flaps and fenders that cover the full width of the tire and extend down to 8 inches above the roadway are only required on commercial vehicles and pickup trucks with modified suspension systems.

In addition to headlights and tail lights, vehicles in Arizona are allowed to have additional, auxiliary lights installed. When a vehicle is equipped with extra lighting, the maximum number of lights that can be turned on in the front of the vehicle is 4.

( Measured to the center of the light. )

Arizona requires both windshields and windshield wipers.

In Arizona, vehicles are required to be equipped with mufflers and it is prohibited to install any kind of exhaust cutout or bypass.

It is unclear whether or not Arizona has any engine swap or engine performance modification rules.

Arizona currently requires annual emissions testing on vehicles that commute to the Phoenix and Tucson areas.