Dual cases will be lower (5.20:1 vs 4.97:1) and will be many many times stronger than the A/A "5.0" gears.
You will also appriciate not being stuck in super low when ever you are in 4WD. Having duals allows you to keep your stock gearing and have the
option of being over twice as slow as you are now
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![My Two Cents :twocents:](https://board.marlincrawler.com/Smileys/marlin/twocents.gif)