Reproduction Clutch Fan Radiator 7 Blade. C8OE-B Application for 1968 includes all 390-2V, 390-4V, 427-4V, and 428 Cobra Jet engines with and without air conditioning. 1969 application is only the S code 390-4V engine, with or without air conditioning.  Fan description – 7 blades and 18-1/4 inches in diameter. Fan does not include thermal fan clutch. This fan will also work on many small block applications.