Application 289-2V (C code engines) prior to 11/14/1966, 289-4V (A code engines) all without air conditioning. Pulley diameter 3.97 inches, 1967 smog pulleys are unique in that they have 4 mounting holes. Ford part number C7AZ-9B447-A and engineering number is C7ZE-9B447-A.
*California DSO 52 and DSO 53 only.