There are some different vendors out there that will carry them.

Here is one of them: http://www.taillightking.com/60-66ChevyTruck.htm

The correct marker for your truck is a Yankee 77. Part number 30076.

Click on the picture for a larger view.


They made about 2 or 3 different paint colors for the interior. A good auto paint store should have the original paint chips, numbers and mixing code availabe.

Bill


'60-'72 Chev/GMC Fan
GMC 9500 Fan
Detroit Diesel Fan