Hardened Elementium Girdle

Head
Reinforced Bio-Optic Killshades
Source: Crafted through WoW Cataclysm Classic Gold Engineering (Engineer-only item)
Alternative: Helm of Setesh (Drops from Setesh in Halls of Origination Heroic)

Neck
Carrier Wave Pendant
Source: Drops from Blackrock Caverns (Heroic)

Shoulder
Raz's Pauldrons
Source: Drops from Blackrock Caverns (Heroic)

Back
Wrap of the Great Turtle
Source: Purchased from Provisioner Whitecloud, requires Exalted with Guardians of Hyja
Chest
Hardened Elementium Hauberk
Source: Crafted through Blacksmithing
Alternative: Lord Walden's Breastplate (Drops from Lord Godfrey in Shadowfang Keep Heroic

Wrist
Alpha Bracers
Source: Drops from Halls of Origination (Heroic)

Hands
Fingers of Light
Source: Drops from Halls of Origination (Heroic)

Waist
Hardened Elementium Girdle
Source: Crafted through Blacksmithing
Alternative: Sand Dune cheap Cataclysm Classic Gold Belt (Drops from Augh in Lost City of the Tol'vir Heroic)

Legs
Magma Plated Legguards
Source: Purchased with 2,200 Valor Points in Stormwind (Alliance) or Orgrimmar (Horde)
Alternative: Greaves of Splendor (Purchased with 2,200 Justice Points)