Interesting.... So I always thought there were two difference large oval air cleaners, one for non N96 and one for N96. If this isn't the case...what was the purpose of the two different styles large oval air cleaners (I do realize the 383 and 440 had different base heights)? Edited...nevermind I had a brain fart. I realized the air cleaner I have was for a 1970 440 Six Pack non-N96 which is why it has the shield on the front. 
1969 Dodge Super Bee A12 (440 Six Pack, 4-speed, Dana 60 4.10)
1972 Plymouth Road Runner (400, 4-speed, 8.75" 3.23)
1974 Plymouth Duster 360 (360, 4-speed, 8.75" 3.23)
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