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Evolution Items are items that evolve Pokémon that can't evolve to a certain form by level, friendship, etc.

Name	Able Pokémon	Locations
Dusk Stone	Evolves Murkrow to Honchkrow or Misdreavus to Mismagius	Galactic Warehouse/Victory Road/Pickup Ability
Dawn Stone	Evolves male Kirlia to Gallade or female Snorunt to Froslass	Mount Coronet/Pickup ability
Oval Stone	Evolves Happiny into Chansey when Happiny levels up while holding the stone.	Lost Tower/wild Happiny and Chansey
Shiny stone	Evolves Togetic to Togekiss or Roselia to Roserade	Route 228/Iron Island/Pickup ablilty
Fire Stone	Evolves several Fire-Type Pokémon	Fuego Ironworks/the Underground
Water Stone	Evolves several Water-Type Pokémon	Route 213/the Underground
Leaf Stone	Evolves several Grass-Type Pokémon	Floaroma Meadow/the Underground
Thunderstone	Evolves several Electric-Type Pokémon	Sunyshore City/the Underground
Protector	Evolves Rhydon into Rhyperior when traded	Route 228
Reaper Cloth	Evolves Dusclops into Dusknoir when traded	Route 229/Turnback Cave
Up-Grade	Evolves Porygon into Porygon2 when traded.	Eterna City
Dubious Disc	Evolves Porygon2 into Porygon-Z when traded.	Route 225
Electirizer	Evolves Electabuzz into Electivire when traded.	On wild Elekid
Magmarizer	Evolves Magmar into Magmortar when traded.	On wild Magby
Razor Claw	When held, causes Sneasel to evolve into Weavile when raised a level at night.	Route 224/Victory Road/Battle Tower Entrance
Razor Fang	Causes Gligar to evolve into Gliscor when raised a level at night when held.	Battle Park
Dragon Scale	Causes Seadra to evolve into Kingdra when when traded.	On wild Horsea, Seadra, and Dratini