This is the correct radiator cap for the 1965 and 1966 Mustangs and Shelbys
Proper 14 pound cap
Correct stamping with SMCO (Stant Manufacturing Company) like original
The chrome version was use on all high performance (K Code) Mustangs including the 1965 and 1966 GT350 Shelby
Also correct for a "dress up" item on all other models.
Made in USA