Installed myself on my 04 Silverado 1500 Z71 LS. 3:73:1 6 lug Posi Rear end, HAD TO SHORTEN STOCK LUG STUDS ABOUT A 1/4".No vibration that I could feel to about 85mph and don't stick out insanely far. Fair buy.
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Pros
Quality product added to create the perfect stance for my Trail Boss!
Cons
Wheel spacers may cause the wheel alignment to shift, resulting in uneven tire wear and handling issues