VL29:
Plymouth Valiant,Duster
Low
2 Door Sports Hardtop
G1B: 318 230HP 1-2BBL 8 CYL
1971
Dodge Main, Hamtramck, MI, USA
444344: Sequence number
E44: 318 cid 2 barrel V8 230hp
D31: A904 3-Speed Auto Trans.
GB2: Light Blue Poly Exterior Color
L1B7: Trim - Low, Unknown, Blue
G87: Unknown Int. Door Frames
625: Build Date: June 25
399216: Order number
GB2: Light Blue Poly Top Color
U: USA Specifications
A51: 70 only Sport Fury S-23
G37: OS Dual Racing Mirrors
M21: Roof drip rail moldings
R11: Radio Solid State AM (2 Watts)
V8W: Tranverse Stripes, White
V9W: Longitudinal Stripes, White
EN2: End of Sales Codes
(and where I found it)
http://www.mymopar.com/index.php?pid=87