From http://www.mymopar.com/index.php?pid=85:

CAR: Plymouth GTX 2 Door Hardtop
ENGINE: 440cid 4-bbl HP V8
TRANSMISSION: 4-Speed Manual Floor Shift
TIRES: F70x14 Red Side Wall, Steel Belted
BUILD DATE: January 08.
AXLE: 3.54/3.55 Rear Axle Ratio (Dana60 or 8 3/4), Sure Grip
INTERIOR: Sport Trim Grade, Vinyl Bucket Seats. Black Interior.
PAINT: Monotone Dark Blue Metallic Paint.
OTHER: Black Upper Door Frame Color. White Horizontal Sport Stripe.

MOLDINGS:
19: Wide Sill Mouldings
25: Drip Rail Mouldings
78: Wheel Lip Mouldings

ABC OPTIONS:
A1: 26in Radiator
D9: Front Disk Brakes
H1: Power Brakes
P6: Rear Seat Speaker
R0: AM 8-Track Radio
X2: Tinted Windshield Only
Z8: Performance Hood Treatment (Roadrunner/GTX)

abc OPTIONS:
b4: Bucket Seats
h7: Fender or Hood Mounted Turn Signal Indicators
m6: Driver's Outside Remote Operated Mirror
u1: Sold Car When Built (Somebody Ordered It)