You may need a vehicle safety systems inspection to register:

Revived salvage vehicles

Specially constructed vehicles (SPCNS), including kit commercial vehicles

Motorcycles

Trailers with a gross vehicle weight rating of 3,000 pounds or greater

Off-highway vehicles converted to on-highway operation

For more information, visit www.dmv.ca.gov.

Check a vehicle's history at: https://www.bar.ca.gov/inspection