This system even uses factory style cam plates and can be aligned to within factory specifications. We even included details on the ideal alignment specs to prolong tire life and increase the performance and handling both on and off-road. Run your stock wheels or most 17" or larger aftermarket wheels: Wheel Width: Stock Wheels OK or 9" wheel w/ 4.75" - 5.5" BS. NOTE: For use with vehicles with 1-piece drive shaft. Trucks with 2-piece drive shaft, please contact 877-759-9991 for rear upgrade solution.