• Valorous Siegebreaker Shoulderplates
• Item Level 219Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Plate
• Shoulder
• 1741 Armor
• +83 Strength
  +90 Stamina
• Red Socket
• Socket Bonus: +4 Strength
• Durability 100 / 100
• Classes: Warrior
• Requires Level 80
• Equip: Improves hit rating by 43.
  Equip: Improves critical strike rating by 50.
• 
• Valorous Siegebreaker Battlegear (5 pieces)
• [Valorous Siegebreaker Battleplate]
  [Valorous Siegebreaker Helmet]
  [Valorous Siegebreaker Gauntlets]
  [Valorous Siegebreaker Legplates]
  [Valorous Siegebreaker Shoulderplates]
• (2) Set: Heroic Strike and Slam critical strikes have a chance to grant you 150% haste rating for 5 sec.
  (4) Set: Increases the critical strike chance of Mortal Strike and Bloodthirst by 10%.
• Vendor 1

Source

This item is sold by Dubin Clay <Plate Armor Merchant> in Dalaran for 1 .

Patch changes

•  Hotfix (2009-06-01): "The following items have had their stats increased to properly reflect their item level: Earthshaper, Valorous Siegebreaker Shoulderplates, and Conqueror's Siegebreaker Shoulderplates."
  
• Patch 3.1.0 (14-Apr-2009): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB