From what is visible from the outside , which is nothing magic except a good design, especially the sight glass. The breather cap is removable for cleaning if you want to do so, it is a standard breather cap for hotrods.
I will post photos of the interior baffle asap if it is not on his website.
![[Linked Image]](https://www.tm-img.com/images/2021/01/21/OilTankBaffle.jpg)
![[Linked Image]](https://www.tm-img.com/images/2021/01/21/OilTankBaffle2.jpg)
This is the inside of my tank.
He will make the tank for European spec where the sightglass should be on the other end.