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lol well thats a different ball park then. i have no ideal how they work. never used them had them on my buds blazer removed them because you just didnt know if they worked till you got in the mud. but it has to do with the axle shafts turning and that will engage the auto hubs. if it was mine i would ditch them, the way i see it since they arnt locked solid and if you have one wheel thats spinning and it catches it will put all that power to the free hub and it should slam it and lock it, but with that force i dont think it will last for long