Engineering Epic Goggle Recipes on the Burning Crusade Classic PTR - Wowhead News
Tankatronic Goggles - Item - TBC Classic
WoW Archivist: An ultrasafe history of engineering | Engadget
Tankatronic Goggles - Item - World of Warcraft
Furious Gizmatic Goggles - Item - TBC Classic
Quad Deathblow X44 Goggles - Item - TBC Classic
Cogspinner Goggles - Wowpedia - Your wiki guide to the World of Warcraft
2.4.3 Engineering contains a T6 level epic head that was orgininal added with black temple as a catch up item. Here is a picture that compare T4 Hunter head with the mail
WoW Classic TBC- Is Engineering still good in TBC? - YouTube