| VIN Range |
1G1AY8764BS400001 – 1G1AY8764BS431611 (St. Louis)
1G1AY8764B5100001 – 1G1AY8764B5108995 (Bowling Green) |
| 1 (First Digit) |
Country. 1 – U.S. built / 2 – Canada built. |
| G (Second Digit) |
Manufacturer. G – General Motors |
| 1 (Third Digit) |
Make. 1 – Chevrolet |
| A (Fourth Digit). |
Restraint System. A – Nonpassive/manual belts |
| Y (Fifth Digit) |
Series. Y – Corvette |
| 87 (Sixth and Seventh Digit) |
Body Type. 87 – Coupe 2-Door Plainback Special |
| S (Seventh Digit) |
Vehicle Assembly Location. S – St. Louis, Missouri |
| 6 (Eight Digit) |
Engine Type. 6 – 5.7L 4BBL |
| 4 (Ninth Digit) |
Check Digit. This number will vary. |
| B (Tenth Digit) |
Model Year. B – 1981 |
| S or 5 (Eleventh Digit) |
Plant. S – St. Louis / 5 – Bowling Green |
| 4XXXXX or 1XXXXX |
Twelfth thru Seventeenth Digits – Plant Sequence Numbers. |
The last six digits for the Corvette Coupe built in St. Louis begin at 400001 and run thru 431611. The last six digits for the Corvette Coupe built in Bowling Green begin at 100001 and run thru 108995. This accounts for all 40606 Corvette Coupes built in 1981. Each Vehicle Identification Number (VIN) is unique to an individual car.
For all 1981 Corvettes, the location of the Vehicle Identification Number (VIN) is stamped on a plate attached to the left front body hinge pillar. (See Figure 1 below.)
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