I have the same issue with my tires rubbing the outside of the Icon UCAs, but I plan on getting new wheels soon to fix that. I've had the same concern about going to a 0 offset though. What sucked about it exactly?
Also, you might want to consider gusseting the upper rear shock mounts if you plan on driving hard off road. It may not be as much of an issue with Fox shocks, but I've seen Icon 3.0s rip those mounts off.
Nice build so far!
IMO, 0 offset sticks out and doesn't look good. You also end up with more rock chips up the side of the truck.
The only picture I've seen of an Icon shock ripping the mount was one of the old design where the tabs had to be clearanced to fit the top cap. The Fox has notches in the top cap, so no grinding on the tabs is required. I don't think the mount is going anywhere.
congrats you have now started down the path of one thing leading to another. i ran into the same issue with rubbing on the upper. the 25mm will fix this but then you are going to rub (hit is more accurate word to use since the fender is now in the path of travel) on your fender before full compression... sooo those new shocks are basically half potential now until you get fiberglass.... trust me i know the frustration. if you want to get crazy go ahead and cut back the firewall too. lol feel free to take a look at my 39s thread for everything i ran into similar to this.
Half potential is quite an overstatement I think. The truck had zero offset wheels before I put the jenny wheels on and it barely ever so slightly rubbed at full compression. These are now only 18mm effective offset and have been fine so far, and it gets off-roaded plenty hard almost every weekend and haven't blown the fenders off or noticed major rubbing yet.
The tires are still just 35's. I didn't go to 37's specifically for not wanting to deal with too much hassle of doing the pinch welds and fiberglass fenders. I have a "real" offroad toy (long travle, 4 linked, caged ranger) that will be getting finished in the next 6 months or so, so I'm not too concerned about the raptor being "max" performance. Which is why it didn't get a full LT kit or a bypass rack. It's more of the "exploration" truck for trails where 4x4 is required, remote camping trips, and fire pit night sin the middle of nowhere.