Fender tag decode need help

Just looked back through some old threads here and found most of this (Kegan, one of them was yours!). All I could come up with for now.

L - Dodge Dart
L - Price Class, Low
29 - 2 door special coupe
C - 225 1bbl 6 cylinder RG engine
5 - 1975
B - Hamtramck, MI build plant

C16 - center console
C56 - bucket seats
M26 - wheel lip mouldings
A88 - interior decor group
M38 - decklid finish panel moldings
R21 - solid state am/fm radio
N37 - Catalytic Exhaust System
K6X - Up and Over Stripes
KT5 - paint code, possibly Sienna