The blue is my 74 cuda. They have larger slot for larger hood bolts. The blk is my AAR pretty certain original as there is white paint under the blk. looks like you have the later hinges

IMG_0916.JPGIMG_0915.JPGIMG_0912.JPG

68 Polara 500...LL1 Y7 M6X
69 Hemi road runner...X9 X9 M6X
69 A12 road runner....R4 R4 M6X
69 ModTop FLORAL Super Bee...F6 M6W
70 AAR 'cuda...EW1 EW1 H4X9
71 Duster 340...FJ6 V24 L6X9
71 road runner FC7 V1X M6X9

72 Rallye Charger B5 V1W

74 'cuda 360...KB5 V1X A6X9
08 SRT Challenger #234