the real question is how much torque/traction/wheel hop/abuse can a stock rear take
I honestly have no idea, are you auto or man? 7.5" 10 bolt? depends...I've seen people go low 10's on a 10bolt and I've seen people running high 13's break em...it's case by case mostly
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"Does this look like a piece of crap to you? Like them spinnin' tires do you?"