Are you taking in to consideration the grill trim? IIRC the grill trim is thicker at the middle... lemme go outside and look...
...ok the black panel in front of the rad support is curved, and the grille trim curves along this curve...
..Here's a picture (albeit low quality, sorry)
OK so that picture sucks worse than I thought, I have one of my factory grilles sitting on the ground,
they have a curve.
I hope this helps, I know I'm a $hitty photographer :-x
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1981 Chevy C10 Custom Deluxe Stepside 350 V8, headers, side exhausts, 3-speed auto SOLD
1980 Chevy C10 Custum Deluxe Stepside 305 V8, Edelbrock Performer Intake, Edelbrock 1406 600CFM 4-barrel, TH350C. Bent rod. SOLD
1984 GMC Sierra Classic Longbed 6.2L Diesel SOLD
2009 Kawasaki KLX-250S too many mods for this signature
1999 Honda Accord EX 4-cylinder, 17" Motegi Wheels 215/45/17 Sumitomo tires, Tein S-Tech lowering springs, KYB GR2 shocks, Acura TL 20mm rear swaybar, debadged, blackhoused headlights, Short-Ram Intake
Cardomain of the Accord