http://www.mymopar.com/index.php?pid=87

Best I could get...

LL29:
Dodge Dart,Demon
Low
2 Door Sports Hardtop

C4G: 225 105HP(net) 1-1BBL 6 CYL
1974
St. Louis, MO, USA

: Sequence number

E24: 225 cid 1 barrel 6 Cylinder 145hp
D34: Light Duty Automatic Transmission
EW1: Eggshell White Exterior Color
J6VW: Trim - Unknown, Vinyl Bucket Seats, Unknown Color
000: Full Door Panels
503: Build Date: May 03
548726: Order number

EW1: Eggshell White Top Color
U: USA Specifications
A63: 70 only Challenger Moulding Group
B41: Front Disc Brakes w/Standard 10in RR Drum
C16: Console w/Woodgrain Panel
C56: Bucket Seats

C73: 69 only Fold Down Rear Seat
G51: Unknown
H51: Air Conditioning with Heater
M21: Roof drip rail moldings
M26: Wheel Lip Moldings
R11: Radio Solid State AM (2 Watts)

V24: Unknown