1962 and 1963 M.W heads had 4 bolt valve covers but my 1963 415 HP and several other 4 bolt valve covers I've seen had the extra material around the lower end corners like the 1964 and later valve covers had but no holes in them shruggy work
None of the OEM M.W. valve covers had wire looms on the passenger sides due to no room between the valve covers and the intake manifold, the baffles in them where higher also to clear the adjustable ductile iron rocker amrs scope
The first set of stock chrome valve covers I saw was on a 1965 426 street wedge motor shruggy

Last edited by Cab_Burge; 01/12/19 04:38 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)