I have come across a couple solid passenger side fenders when I replaced mine on the 72, but the best drivers I found was one that needed a patch panel for the bottom 2 1/2 inches.
1968 GTO
1972 GTO clone
Heart of Illinois GTO member
http://www.fbody.com/members/Camrs89
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1968 Pontiac GT0
1972 Pontiac LeMans
Heart Of Illinois GTO club member
"This aint no damn Chevelle"