This was given to me from another user when I asked the same question.
all of these part are from chevy2only.com
Fenders are the same 70-74 .
68-72 steel 2"cowl hood, part#103036-1 chevy 2 only.
68-72 front bumper brackets Lh set part#74040 ,
68-72 front bumper brackets RH set part#74041,
70-72 umu2 chrome front bumper part#74032-2 ,
71-72 park lamp assy (2 of these)part#73054,
68-72 fender mounting bracket in front of wheel,pr. part# 74029,
From Camaros & Classics,
68 -72 nova grille filler panel, plsstic (3919083) part#nv811,
68-72 nova front bumper filler reinforcement part#4012-020-68,
68-72 nova eyebrow molding, pr. part#nv755,
68-72 x body bumper bolt set part#4012-001-68s,
69-72 nova headlight bezel GM,LH part#nv831,
69-72 nova headligt bezel GM,rh part #nv832
70-72 nova grille,repro,SS part#nv810 ,
69-72 hood lock catch support part#3938635 ,
68-72 nova hood molding part#nv752,
69-72 nova hood emblem part#nv3085 ,
There are two brackets ,one on each side of the grille that are not being remade,I think they are called grille brackets,also the top grille support that rivits to the top of the grille is not being re made ,chevy 2 only does carry some used parts or maybe ebay or ajunk yard for these parts.
someone make it a sticky