Does this 4.0L V6 use timing chain?
 

Does this 4.0L V6 that's on 05+ Mustang use timing chain?

They actually have two of them. One on the front and one on the back side.

So it uses timing chain instead of timing belt, correct? Also, are you saying that it has two timing chains?

yes its an over head cammed motor so you have one cam per head on the car. there is a long chain that runs from each down the crank.