1976 Corvette Identification Numbers

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Below is a listing of common identification numbers for the 1976 Corvette including engine block, head id, casting numbers and more.

Vehicle Identification Number
1Z37L6S400001 - 1Z37L6S446558
Digit	Definition
1st	1 = GM Division = Chevrolet
2nd	Z = Series = Corvette
3rd/4th	Body Style:  37 = Coupe
5th	Engine Type:  L = L48, X = L82
6th	6 = Model Year = 1976
7th	Assembly Plant:  S = St. Louis, MO.
Last 6 digits	Production Number starting with 400001 - 446558.

Engine Suffix ID Numbers
CHC:	350ci, 210hp, (manual transmission)
CKC:	350ci, 210hp, (automatic transmission)
CKW:	350ci, 180hp (manual transmission)
CKX:	350ci, 180hp (automatic transmission)
CLS:	350ci, 180hp (automatic transmission, California emissions)

Block ID Numbers
3970010:	All Engines

Head ID Numbers
333882:	All Engines

Carburetor ID Numbers
Rochester Q-jet #17056206:	350ci, 180hp (automatic transmission)
Rochester Q-jet #17056207:	350ci, 180hp (manual transmission)
Rochester Q-jet #17056210:	350ci, 210hp (automatic transmission)
Rochester Q-jet #17056211:	350ci, 210hp (manual transmission)
Rochester Q-jet #17056226:	350ci, 210hp (air conditioning, automatic transmission)
Rochester Q-jet #17056506:	350ci, 180hp (automatic transmission, California emissions)
Rochester Q-jet #17056507:	350ci, 180hp (California emissions, manual transmission)

Alternator ID Numbers
1102474:	All with air conditioning.
1102484:	All without air conditioning.

Distributor ID Numbers
1103200:	350ci, 210hp (manual transmission)
1112888:	350ci, 180hp
1110908:	350ci, 180hp (automatic transmission, California emissions)
1112905:	350ci, 210hp (automatic transmission)