TAG, Radiator ID, Soldered to tank bracket, About half the 65-68’s used these, If the car had a radiator with the ID number de-bossed in the top tank or on the LH side strap this tag was not used
NPD Part Number : 8A002-C6D2 Manufacturer Reference #'s: C6ZE-8005-D2,
1966-1966 MUSTANG 200, A/T, W/ A/C
1966-1966 MUSTANG 200, A/T, W/O A/C AND THERMACTOR EMISSIONS
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.