Hi suzukipro,
It has been said by jmcelroy42, it's a Tekno V4 kit on Asso RC8.
I don't have the ET48 kit so I can't check the best place for the body posts.
It was just an example, you can make a mod with many other parts.
I used Traxxas body posts, if you need the ref, I can find them.
Bye !