Engineering Epic Goggle Recipes on the Burning Crusade Classic PTR - Wowhead News
Gadgetstorm Goggles - Item - TBC Classic
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 Archivist: An ultrasafe history of engineering | Engadget
Furious Gizmatic Goggles - Item - TBC Classic
How To Craft Engineering Goggles Classic - SeniorCare2Share