Reproduction positive crankcase ventilation valve or PCV valve for 1968 Mercury Cougar, Cyclone, Ford Mustang and Torino all with 390GT or S code 390-4V engines. Additionally this fits all 428 Cobra Jet and Super Cobra Jet engines 1968-1/2-1970. This valve has a stamped casting number of C8OE-6A666-B, comes with a white plastic ring as shown. Ford engineering number C8OZ-6A666-B. Also used on 1967 Shelby Mustang GT500, Ford 428PI, and Mercury Cougar GT-E 427-4V engines.
*Note - Must be used with either a reproduction
90 degree PCV adapter.