What are Evolution items and where can I get them?

Evolution items are essential items required to evolve your vehicles.

LVL 1 grade car = Requires 3 Evolution Items
LVL 2 grade car = Requires 10 Evolution Items
LVL 3 grade car = Requires 30 Evolution Items
LVL 4 grade car = Requires 70 Evolution Items
LVL 5 grade car = Requires 150 Evolution Items

Your vehicle also has to be fully upgrade and limit broken to be eligible.

Where can I get these items:

You can obtain evolution items from league rewards or from the challenge cup level rewards. The higher your league level, the more evolution items you can obtain.