If you don't trust me you can go and ask people about the build in https://linustechtips.com/main/ and people will tell you that you cannot overclock with that board
You're not overclocking then. You can do the same thing with a none K. Either get an unlocked CPU with a Z170 board or a locked CPU with a B-250 / H-170.
Edit: The multiplier can be changed the length that your CPU can turbo bust.