1967-1969 L88 Fuel Warning 103 Octane Decal - OEM Number(s) (3758888)
Yes it was put right on the vinyl part of the shift console, in red big bold print, told you what would happen if you did not use 103/95 Octane fuel. Approx 2 5/8" x 3 7/8"
Also known under these part numbers: (For reference only)