Are these 273 commando valve covers on Ebay (not mine)?

65dartcharger said

The first set is for a 1965 while the second set is for a 1967 273 HP.

Click to expand...

correct on the 65's...

The second set is for a 66 - it has the stove pipe PCV...

67 went to the "standard" grommet and metal PCV....