1968 Corvette Identification Numbers

Cylinder Head Casting Number:
The cylinder head casting number is usually found on top of the cylinder head in between two valves and the rocker arm studs.

Cylinder Head Casting Date:
The cylinder head casting date is usually found adjacent to the cylinder head casting number. The casting date code is an alphanumeric sequenced number. The first digit is usually a letter which specifies the month that the block was cast. Some casting dates have been found with all digits being numbers, the first of which corresponds to the month.

• Seven inch, silver painted wheels were unique to the 1968 model year..
• Unique to the 1968 model year was a special door opening system that consisted of a separate release button and a spring-loaded finger plate.
• The side gills on the 1968 Corvette did not come with the chrome inserts which were an option on the 1969 model year.

• This was the first year for a new cabin ventilation system called "Astro-Ventilation", windshield wipers that were hidden under a vacuum-actuated door panel at the base of the windshield, and a special fiber-optic light monitoring system.

• Model Years:  1968 - 1969
• Description:
  
  • This hood with the 427 emblem was only used with the L36, L68 and L71 427ci engine options for 1968 and 1969.

• Description:  This contains factory ordered color and trim option codes.
• Location:  The Trim Tag is located on the driver's door hinge pillar.

• Description:  The Protect-O-Plate — a thin metal plate or plastic card issued to car owners starting in the '60s to help dealers track warranty work — has become a "buzz word" for collectors wishing to document the authenticity of their vehicles. Apparently the term "Protect-O-Plate" was used solely by General Motors.
• Location:  NA