aar rear spring higth

i restored my aar rear springs with part number 3400048 and installed. passinger side leaned. i ordered new leaf springs from eaton detroit springs. put next to my originals and they dont have near the arch as mine. i talked to them they said aar springs were susposed to measure 7 7/8 in. arch my original measure 8.5 the new ones measure 7.25. does anyone know what is correct for a aar cuda. they said my originals have been altered.
Author: merkamp