Antique Motor Vehicle. Every motor vehicle which is over twenty-five years old, is owned solely as a collector's item and is used for participation in club activities, exhibits, tours, parades, and similar uses, but in no event used for general transportation, may be classified by the Department of Motor Vehicles as an antique motor vehicle.

Specifically Constructed Vehicle. Every vehicle of a type required to be registered under this title not originally constructed under a distinctive name, make, model, or type by a generally recognized manufacturer of vehicles and not materially altered from its original construction.

Reconstructed Vehicle. Every vehicle of a type required to be registered under this title materially altered from its original construction by the removal, addition, or substitution of essential parts, new or used.

Essential Parts. All integral and body parts of a vehicle of a type required to be registered under this title, the removal, alteration, or substitution of which would tend to conceal the identity of the vehicle or substantially alter its appearance, model, type, or mode of operation.