SWB fits good but you will need a bodylift.
LWB vit tank
SWB vit tank
Sierra tank
The pump
SWB vit tank under there.
clearance to driver side shackle
Front left stock mount lines up with some bashing, had to make a mount for the other side.
If i did it again i would mount it hard up against the PS chassis rail to make the fuel filler 100000x easier.