Blood Elves Heritage Armor & Dwarf Heritage Armor
Old race armor have already opened Blood Elves Heritage Armor and Dwarf Heritage Armor
You need to be a level 120 Blood Elf and Exalted with Silvermoon City reputation if you want get Blood Elves Heritage Armor.
And if you want Dwarf Heritage Armor, you need to be a level 120 Blood Elf and Exalted with Ironforge.
if you have no time to do it, you can come to find us help you to finish it.
The link is https://www.speed4game.com/WOW-US/PowerLeveling/New-Race-Unlock/1175
These Armor is account wide, so all Dwarf ccharacters on your account can use it.
Buying a Dwarf race transfer service on battle .net, your other race characters can also use Dwarf Heritage Armor.
The same with Blood Elves.