Should be able to make uprights with 2" square tubing and a rasor disk or jig saw. Uni-strut for rest. Could probably bolt strut to inside bed for uprights if you dont want to use existing stake pockets.
Nice pics and good aar. You can turn off the electronic traction control. Any time I leave pavement I turn mine off. The best money I have spent on Tundra mod was the Auburn LSD. Still need to dissable the elctronic trac control to allow the mechanical side to work. Next Tundra will get...
You dont need the wrench to tighten, you need it to open after they get some pressure build up. I agree with previous statements that you dont want to over tighten. Never had a leak when just hand tight. Viton gaskers are for gas but you can switch to diesel gaskets for cheap if you want...