What about some Mickey Thompson Claws. Not sure about mileage or wear. But I know a guy with them that uses them on the rocks.
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Mitch 2000 short, 4x4, 6 speed, 12.25" DD Valair, S.O.VP44, AEM Brute Force HD, FBD 5" with 6" tip, Quad Adrenaline, AirDog II 165, AutoMeter Cobalts, Peak intercooler boots