Hi all. Is there a way to tell if a diff is zenki or kouki from the physical appearance (or do you have to open)
Also if I want to buy bolts for the fuel tank and other parts, is their a certain grade of "high tensile bolts"? That I need. And is there any place to buy the interior clips.
Sorry for all the noob questions. But first time attempting something like this on a bare shell

Cheers