Carburetor, rebuilt, exchange only.DUE TO THE SHORTAGE OF CORES YOU ARE REQUIRED TO SEND YOUR OLD CORE TO US FIRST. Send to: Thunderbird Headquarters 4020 Pike Lane Concord CA 94520
WARNING This product can expose you to chemicals including benzene which is known to the State of California to cause cancer, birth defects or other reproductive harm. for more information, visit: www.p65warnings.ca.gov.