Read from the World of Warcraft client build files.
How White Tiger Headguard Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, White Tiger Headguard suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
White Tiger Headguard is part of the transmog set White Tiger Battlegear (Paladin only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where White Tiger Headguard Fits
Other Items Named White Tiger Headguard
2 other items in the current build are also called White Tiger Headguard. 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 87106 (87101 to 87111) were usually added in the same batch as White Tiger Headguard: the same quest line, zone, vendor or reward set.