I decoded my "parts" car. It will make a nice Challenger for whomever I sell it too.
1973 Rallye Challenger
JH23:
Dodge Challenger
Trim: High 2 Door Hardtop
G3B: 318 150HP(net) or 170HP(net) 1-2BBL 8 CYL
1973 Dodge Main, Hamtramck, MI, USA
xxxxxx: Sequence number
E44:     318 cid 2 barrel V8 230hp
D34:     Light Duty Automatic Transmission
JA5:      Dark Silver Poly Exterior Color
A6B5:   Trim - Basic, Vinyl Bucket Seats, Blue
000:     Full Door Panels
302:     Build Date: March 02
B55006: Order number
JA5:      Dark Silver Poly Top Color
C:         Canada Specifications
B41:     Front Disc Brakes w/Standard 10in RR Drum
C16:     Console w/Woodgrain Panel
C56:     Bucket Seats
G35:     Delete Standard Outside Mirror
M21:     Roof Drip Rail Moldings
R11:     Radio Solid State AM (2 Watts)
V5X:     Body Side Stripes, Black
EN2:     End of Sales Codes