Gas cap question with warning label

[Enoch]

Looking for some help with these used on early sixties Oldsmobiles? If not what else thanks http://www.yenko.net/ubbthreads/pics/usergals/2016/04/full-905-41705-2016_04_02_20.27.35.jpg
http://www.yenko.net/ubbthreads/pics/usergals/2016/04/full-905-41706-2016_04_02_20.27.23.jpg

[marxjunk]

i have a couple that came with 67-8 firebirds with out the labels..it has to be the same cap

i saw that cap on a 68 4 door hardtop 350 4bbl cutlass..years ago..decades..it had a label on the air cleaner that said something like "ultra high compression"

[69z28302]

I believe that same cap was on my 69 Hurst Olds

[Enoch]

Thanks for the responses!!!