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.
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Code |
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Arizona's street legal regulations are listed in the Arizona Revised Statutes (ARS). |
ARS Title 28
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Dimensions |
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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
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Tires |
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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
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Wheels |
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Arizona's code makes no reference to wheels, however, they do need to be safe for highway use. |
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Brakes |
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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
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Steering |
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Arizona does not have any specific rules for a vehicle's steering system other than that it needing to be in safe operating condition. |
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Suspension |
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There are no specific suspension lift limits or suspension modification restrictions in Arizona.
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Frame |
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Arizona does not have a vehicle frame height limitation. |
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Bumpers |
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There are no bumper height restrictions in Arizona. |
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Fenders |
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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
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Lights |
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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.
Light |
Number |
Min. Height |
Max. Height |
Headlights |
2 min. |
22 inches |
54 inches |
Tail lights |
1 min. |
15 inches |
72 inches |
Spot lights |
1 max. |
n/a |
n/a |
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. )
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ARS 28-924
ARS 28-925
ARS 28-938
ARS 28-946
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Windows |
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Arizona requires both windshields and windshield wipers. |
ARS 28-957
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Exhaust |
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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
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Engine |
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It is unclear whether or not Arizona has any engine swap or engine performance modification rules. |
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Emissions |
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Arizona currently requires annual emissions testing on vehicles that commute to the Phoenix and Tucson areas. |
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Alaska Street Legal Laws 
