Khorium Power Core

Khorium Power Core is a component made by engineers as a part for some high-level items they craft.

Source
This item is created with Engineering (340); taught by trainers.

This item is also sold by Qiff in Area 52 in Netherstorm who sometimes has this as a Limited Supply item for.

Engineering

 * 2x Khorium Power Core for Rocket Boots Xtreme
 * Wonderheal XT40 Shades
 * Tankatronic Goggles
 * Surestrike Goggles v2.0
 * Powerheal 4000 Lens
 * Magnified Moon Specs
 * Living Replicator Specs
 * Justicebringer 2000 Specs
 * Gadgetstorm Goggles
 * Furious Gizmatic Goggles
 * Destruction Holo-Gogs
 * Deathblow X11 Goggles
 * 8x for Turbo-Charged Flying Machine

Gnomish engineering

 * 1x Khorium Power Core for Ultrasafe Transporter: Toshley's Station
 * 2x Khorium Power Core for Gnomish Poultryizer
 * 4x Khorium Power Core for Nigh-Invulnerability Belt

Goblin engineering

 * 1x Khorium Power Core for Dimensional Ripper - Area 52
 * 1x Khorium Power Core for Goblin Rocket Launcher

Also, Khorium Power Cores were used to craft Remote Mail Terminal in Burning Crusade beta. However, this recipe seems removed in release version of the game.

As a quest objective

 * The Soul Cannon of Reth'hedron