1974 Plymouth duster 360 fender tag decode.

Some of what I found, hard to determine what that is before B41 3rd line down after KB5 on your fender tag.
Code Description
E58 340-4 Barrel
D34 TorqueFlite Automatic Transmission
VS29
V = Plymouth Valiant / Duster
S = Special
29 = 2 Door Sports Hardtop
L4B
L = 360 245HP(net) 1-4BBL 8 CYL HP
4 = 1974
B = Dodge Main, Hamtramck, MI, USA
513260 Sequence Number '513260'
KB5 Paint Code: Unknown At This Time
C4X9
Trim Grade/Style/Color
C = Charger
4 = Vinyl Split Bench w/ Center Armrest
X9 = Black
000 Upper Door Frame: Full Door Panel
717 Date Built: 7 / 17 / 1974
880184 Order Number: 880184
KB5 Roof Type OR Color: Unknown At This Time
B41 Front Disc Brakes Some Yrs. Power
G52 Unknown At This Time- see below
J25 3 Speed Variable Wipers
J52 Inside Hood Release
M21 Roof Drip Rail Moldings
N41 Dual Exhaust w/o Tips
N76 Coolant Recovery System
R11 Music Master Radio AM
V6X Black Longitude Sports Stripe
V8X Transverse Stripe - Black
26 26 in. Radiator

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G52 A&B Body 2.94:1 Rear Axle (1969-1974), 2.93:1 Rear Axle (1975-)