NEW Locking gas cap with hidden keyhole. 2 Keys **..NOT VENTED Gas Cap..**

FISHYPETE said

There’s a old thread on here somewhere that shows 66 is different than earlier a bodies

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I've sold several of these to Early A 1966 owners with no issues.. It fits 66. The last two pics is the cap fitting my '66 Cuda which has the OEM fuel filler neck. You have to factor the cap & box are decades old so it doesn't have updated info on it.