1974 Corvette VIN Decoder & Specs

Unlock the secrets of your classic 1974 Corvette with our detailed VIN and trim tag decoder. Verify your car's originality and production history. The trim tag analysis will reveal the factory-applied interior and exterior colors, plus the exact build date, essential for accurate restoration. Decoders for other components can be found here.

In 1974, a total of 37,502 Corvettes were manufactured, comprising 32,028 Coupes and 5,474 Convertibles.

Table of Contents


1974 Corvette GM advertisement
1974 Corvette Advertisement – Showcasing the Classic Design

How to Decode Your 1974 Corvette VIN – Full Breakdown & Guide

Uncover the detailed specifications of your 1974 Corvette with our VIN and trim tag decoder. Input your VIN to learn about the engine, body, and transmission options. This tool helps confirm your car's authenticity and production details. The trim tag analysis provides original color codes and build date, crucial for historical preservation.

VIN
Trim tag
1968–1981

Having trouble with the VIN decoder? Whether it's an unusual code, missing data, or you need help verifying a numbers-matching car, contact. Happy to help.

Position Description Possible Values
1Make1 = Chevrolet
2SeriesZ = Corvette
3–4Body Style37 = Coupe
67 = Convertible
5EngineJ = L48
T = L82
Z = LS4
6Model Year4 = 1974
7Assembly PlantS = St. Louis
8–13Unit Number400001 – 437502

All specifications and VIN decoding details on this page are sourced from the official 1974 Chevrolet Corvette Vehicle Information Kit (PDF) published by General Motors.


1974 Corvette Specifications

Verify the factory colors of your 1974 Corvette using this guide. Below is a comprehensive list of available exterior and interior colors, complete with color codes and visual examples.

Exterior Colors

Code Color Color sample
910 Classic White  
914 Silver  
917 Corvette Gray  
922 Corvette Medium Blue  
948 Corvette Dark Green  
956 Bright Yellow  
968 Dark Brown  
974 Medium Red  
976 Mille Miglia Red  
980 Corvette Orange  

Interior Colors

Code Color Color sample
400 Black Vinyl  
404 Black Leather  
425 Dark Red Vinyl  
413 Dark Blue Vinyl  
415 Medium Saddle Vinyl  
416 Medium Saddle Leather  
406 Silver Vinyl  
407 Silver Leather  
408 Neutral Vinyl  

Color combinations

Exterior Colors Interior Colors
Black Silver Neutral Dark Blue Medium Saddle Dark Red
Classic White X X X X X X
Silver Mist Metallic X X X X X
Corvette Gray Metallic X X X X X X
Medium Blue Metallic X X X
Dark Green Metallic X X X X
Bright Yellow X X X X
Dark Brown Metallic X X X X
Medium Red Metallic X X X X X
Mille Miglia Red X X X X X
Orange Metallic X X X X

Chassis

Wheelbase Length Width Weight
98 in 185.5 in 69.0 in Coupe: Curb: 3,390 lb; Shipping: 3,309 lb
Convertible: Curb: 3,396 lb; Shipping: 3,315 lb

1974 Corvette Engine Options

Engine
Code
Order Code CI HP Equipment
CKZ L48 350 195 4-Speed
CLA L48 350 195 TH400
CLB L48(California) 350 195 4-Speed
CLC L48(California) 350 195 TH400
CLD L82 350 250 TH400
CLH L82(California) 350 250 TH400
CLR L82 350 250 4-Speed
CLS L82(California) 350 250 4-Speed
CWM LS4 454 270 4-Speed
CWR LS4 454 270 TH400
CWS LS4(California) 454 270 TH400
CWT LS4(California) 454 270 4-Speed

1974 Corvette Transmission Options

Code Type Transmission
P Manual Muncie 4-Speed
A Manual M20 Muncie 4-Speed with wide gear ratio
B Manual M21 Muncie 4-Speed with close gear ratio
W Manual Warner 4-Speed
CK Automatic Turbo Hydra-Matic 400 with L48 350 engine
CZ Automatic Turbo Hydra-Matic 400 with L82 350 engine
CS Automatic Turbo Hydra-Matic 400 with 454 engine

1974 Corvette RPO Codes and Options

Code Option Total
1YZ37 Corvette sport coupe 32,028
1YZ67 Corvette convertible 5,474
A31 Power windows 23,940
Base Vinyl trim 12,069
- Leather trim 19,959
A85 Custom shoulder harness 618
C07 Auxiliary hardtop 2,612
C08 Auxiliary hardtop vinyl 367
C50 Rear window defroster 9,322
C60 Air conditioning 29,397
FE7 Gymkhana suspension 1,905
J50 Power brakes 33,306
LS4 454 270 hp engine 3,494
L48 350 195 hp engine 27,318
L82 350 250 hp engine 6,690
M20 4-speed standard manual transmission 8,862
M21 4-speed close-ratio manual transmission 3,494
M40 Turbo Hydra-Matic transmission 25,146
N37 Tilt-telescopic steering column 27,700
N40 Power steering 35,944
QRM GR70 x 15 white stripe radial tires 9,140
QRN GR70 x 15 blackwall radial tires 4,260
QRZ GR70 x 15 white lettered radial tires 24,102
U05 Dual horns 5,258
U58 AM-FM stereo radio 19,581
U69 AM-FM radio 17,374
UA1 Heavy-duty battery 9,169
UF1 Map light 16,101
UL5 Radio delete 547
YF5 California emissions -
Z07 Off-road suspension and brakes 47


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Page last updated: December 2025