Taking a closer look at the 427's upper cowlings (below) I really must say ..
"Bell, you've done a marvellous job, just beautiful! Not!"
Bell beauty: Bell's deisgn team went all out to design upper cowlings for the 427 which would accommodate inconspicuous inspection and access panels .. err .. yuh!
Griffo wrote .. I like curves ..
Then maybe this (posted by a Rotorheads member from Down Under - something to do with Hollywood

) might appeal: