896 = DANA60 w/3.54 gears & 11" brakes
35 = 2538935 orange 35 tooth speed-o gear
45 = ??

I see a "55" (#2781 955 3" dia. x 50-9/32" lg.)* # for DANA60 '67 Plymouth b-bodies but no "45" shruggy

* a changed part number from January '68 ('67 Parts Catalog)

rs23l71186904-bs.jpg