1970 DUSTER FUEL TANK

thats correct but not what you were asking about. you want one with out the nipples
Correction, I asked what is the correct fuel tank on my car and the one on my car has no nipples. And they do make a replacement tank with no nipple, in fact, many companies do. Heres one
1968-70 Dodge Dart / 68-69 Plymouth Barracuda Gas Tank