Read from the World of Warcraft client build files.
How Firebird's Helmet Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Firebird's Helmet suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Similar Items
The 10 items nearest to Firebird's Helmet (item level 40) in item level among Armor > Mail, Head slot, from item level 35 to 46.
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Firebird's Helmet Fits
Other Items Named Firebird's Helmet
3 other items in the current build are also called Firebird's Helmet. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 87136 (87131 to 87141) were usually added in the same batch as Firebird's Helmet: the same quest line, zone, vendor or reward set.