What are the coins with a "C" on them?

These coins are called Tokens. Tokens are a special currency that you need to upgrade an ultimate part to level 15 or higher. On levels 15+ ...

How do I upgrade ultimate parts?

When you get an ultimate part for the first time, one part appears in your inventory. All subsequent copies will be added to that part's pro...

Insta boosters

This powerful item allows you to obtain and upgrade a part to the specified level without spending your precious ultimate cash. If you ...

Ultimate vehicles and parts

Ultimate machines are built from ultimate parts in a separate garage. You don’t need to fuse different details into one to upgrade it. To in...

Ultimate Toolboxes

At the end of each City Kings fight, the winning gang receives an ultimate box containing one ultimate part and gains control of one City Di...

Ultimate leagues

Ultimate leagues are a competition for ultimate cars. You need to compete in groups for promotion during a time-limited round. You earn scor...