cool score 
E68 400-4 Barrel High Preformance
D34 TorqueFlite Automatic Transmission
RM21
R = Plymouth Road Runner
M = Medium
21 = 2 Door Coupe
P3R
P = 400 260HP(net) 1-4BBL 8 CYL
3 = 1973
R = Windsor, ONT, CAN
221839 Sequence Number '221839'
GB5
Paint Code: Bright Blue Metallic
B2B5
Trim Grade/Style/Color
B = B Class
2 = Vinyl Bench
B5 = Medium Blue
GB5 Upper Door Frame: Bright Blue Metallic
109 Date Built: 1 / 09 / 1973
162617 Order Number: 162617
V1X Roof Type OR Color: Full Vinyl Top - Black
U Built to Specifications for USA Order
28 Unknown At This Time
B41 Front Disc Brakes Some Yrs. Power
G36 Left Hand Remote, Right Hand Manual Outside Mirror
M21 Roof Drip Rail Moldings
M26 Wheel Lip Molding
N41 Duel Exhaust w/o Tips
N42 Chrome Duel Exhaust Tips
N51 Max Engine Cooling
N76 Coolant Recovery System
END End of Codes
so was what I'm guessing as a 28 inch rad part of max cooling package
nice looking pit there to

E68 400-4 Barrel High Preformance
D34 TorqueFlite Automatic Transmission
RM21
R = Plymouth Road Runner
M = Medium
21 = 2 Door Coupe
P3R
P = 400 260HP(net) 1-4BBL 8 CYL
3 = 1973
R = Windsor, ONT, CAN
221839 Sequence Number '221839'
GB5
Paint Code: Bright Blue Metallic
B2B5
Trim Grade/Style/Color
B = B Class
2 = Vinyl Bench
B5 = Medium Blue
GB5 Upper Door Frame: Bright Blue Metallic
109 Date Built: 1 / 09 / 1973
162617 Order Number: 162617
V1X Roof Type OR Color: Full Vinyl Top - Black
U Built to Specifications for USA Order
28 Unknown At This Time
B41 Front Disc Brakes Some Yrs. Power
G36 Left Hand Remote, Right Hand Manual Outside Mirror
M21 Roof Drip Rail Moldings
M26 Wheel Lip Molding
N41 Duel Exhaust w/o Tips
N42 Chrome Duel Exhaust Tips
N51 Max Engine Cooling
N76 Coolant Recovery System
END End of Codes
so was what I'm guessing as a 28 inch rad part of max cooling package
nice looking pit there to
