R.I. Gen. Laws § 31-23-13.1
No person shall alter the height of or operate a motor vehicle with an altered height that has an original manufacturer's gross vehicle weight rating of up to and including ten thousand pounds (10,000 lbs.), by elevating or lowering the chassis or body by more than four inches (4") from the original manufacturers' specified height by use of so called "shackle lift kits" for leaf springs or by use of lift kits for coil springs, tires, or any other means or device. The administrator of the division of motor vehicles shall establish rules and regulations for motor vehicle heights including exceptions for vehicles used for farming or forestry. No motor vehicle that has been so altered, modified, or changed beyond the provisions of this section or the rules and regulations established by the administrator of the division of motor vehicles, shall be operated on any highway. Violations of this section are subject to fines enumerated in § 31-41.1-4.
R.I. Gen. Laws § 31-23-13.1