Alaska Street Legal Laws

Arkansas Street Legal Laws

Arizona Lift Laws and Vehicle Equipment Laws

Arizona allows suspension lifts as long as mud flaps and fenders are used. There is no maximum frame height and no body lift or bumper height restrictions. In additional to suspension lift kits being allowed, Arizona residents are free to install aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards.

Governing Laws


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

ARS Title 28

Vehicle Dimensions


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

ARS 28-1093
ARS 28-1094
ARS 28-1095

Tire Restrictions


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.

ARS 28-958

Wheel Restrictions


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

Braking Requirements


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.

ARS 28-952

Steering Laws


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

Suspension Laws


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

Frame Requirements


Arizona does not have a vehicle frame height limitation.

Bumper Restrictions


There are no bumper height restrictions in Arizona.

Fender Requirements


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.

ARS 28-958

Lighting Requirements


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.



Min. Height

Max. Height


2 min.

22 inches

54 inches

Tail lights

1 min.

15 inches

72 inches

Spot lights

1 max.



Fog lights

2 max.

12 inches

30 inches

Aux. passing lights

2 max.

24 inches

42 inches

Aux. driving lights

2 max.

16 inches

42 inches

( Measured to the center of the light. )

ARS 28-924
ARS 28-925
ARS 28-938
ARS 28-946

Window Laws


Arizona requires both windshields and windshield wipers.

ARS 28-957

Exhaust Requirements


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

ARS 28-955

Engine Swap Rules


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

Emissions Testing


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

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