Utah Code Title 41. Motor Vehicles § 41-6a-1630. Standards applicable to vehicles

(a) A replacement part and equipment used in a mechanical alteration shall be:

(b) Except for original equipment, a person may not use spacers to increase wheel track width of a vehicle.

(c) A person may not use axle blocks to alter the suspension on the front axle of a vehicle.

(d) A person may not stack two or more axle blocks of a vehicle.

(2)(a) In doubtful or unusual cases, or to meet specific industrial requirements, personnel of the Utah Highway Patrol shall inspect the vehicle to determine:

(b) If the vehicle complies, the Utah Highway Patrol shall issue a permit of approval that shall be carried in the vehicle.

(3)(a) Upon notice to the party to whom the motor vehicle is registered, the department shall suspend the registration of any motor vehicle equipped, altered, or modified in violation of Sections 41-6a-1629 through 41-6a-1633.

(b) The Motor Vehicle Division shall, under Subsection 41-1a-109(1)(e) or (2), refuse to register any motor vehicle it has reason to believe is equipped, altered, or modified in violation of Sections 41-6a-1629 through 41-6a-1633.