I ran the revolvers on the rear of my old truck, they helped out good on the trail lots more droop, but i had crap nwor no flex springs
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. On the road they sucked, everytime i would take off from a stop the shackles would open up lifting the ass end of my truck. then as soon as i went to shift, BANG they would unload. not fun on a daily driver.With good springs i don't think their needed. I noticed a 1" lift from the revolvers and about 9" more droop. I still have the shackles if your interrested.