'66 dart parts?

well as for the locks i cant help ya i never lock mine if they want any thing in ur car they will just brake the glass as for the gas cap go to the wanted Forum or get a flip top cap, there's a guy on here that makes an adapter to put them on ur car i have a flip top if u want it it needs a new spring and for making the keys ive never had a hard time getting them made i have a guy at a pawn shop that will do mine look for the little guys shops they most of the time have what we need i cant get mine made at wal mart and big stores