C8AF-9600-C Standard air cleaner base for all 1968 289-2V (C code), 302-2V (F code), 302-4V (J code), and 390-2V (X code). This is for a closed emissions system (IMCO), that included an oil cap with a fitting going to the air cleaner base and a PCV valve in the passenger side valve cover. About 17.84" inches in diameter. Identified with round nuts welded on the inside for mounting the air cleaner snorkel. Otherwise the same as C8AF-9600-G. Ford part number C8AZ-9600-D.
*Note - Canada did not require emissions in 1968, and Ford generally installed the open emissions style 1967 air cleaners.
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