Ok. I suppose they’re a better made set?
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Many would argue this. They are a better brand in general. Revolution is the company who bought out Superior. They are the only company I know of who still makes axle shafts that are manufactured in the USA. While the gears are manufactured in Korea, I have heard from many (including @Jerry Bransford) that they are manufactured to a much higher standard than other brands.
Absolutely get 5.13 gears. The Dana 30 unfortunately limits you on going any deeper, so 5.13 would be the obvious choice, and the deepest you can go. It’s going to make a huge difference, trust me.
I re-geared from 4.10 gears to 5.38 on my Rubicon (with the 42RLE auto transmission and 35s) and the difference is outstanding. My Jeep is totally transformed and actually has usable power for once!