'71 Duster 340...maybe...

Looks nice!

VS29:
Plymouth Valiant,Duster
Special
2 Door Sports Hardtop

H1E: 340 275HP 1-4BBL 8 CYL
1971
Los Angeles, CA, USA

142888: Sequence number

E55: 340 cid 4 barrel V8 275hp
D21: 4 Speed Manual Transmission
GA4: Light Gunmetal Poly Exterior Color
L6X9: Trim - Low, Vinyl Bucket Seats, Black
5X8: Unknown Int. Door Frames
302: Build Date: March 02
309747: Order number

6A4: Light Gunmetal Poly Top Color
U: USA Specifications
B51: Power Brakes
C55: Bucket Seats
G37: OS Dual Racing Mirrors
M21: Roof drip rail moldings

N41: Dual Exhaust
N42: Chrome Exhaust Tips
N95: Emissions Control
R11: Radio Solid State AM (2 Watts)
V24: Unknown
V5X: Body Side Stripes, Black

V8X: Tranverse Stripes, Black
END: End of Sales Codes

Im pretty sure V5X is side stripe delete, also looking at the original paint photo of my LA built 71 340 Duster is no 340 in the cloud from whay i can see.