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Steering Knuckles & Spindles

Steering Knuckles & Spindles

Steering knuckles allow the wheels on a vehicle to turn and the upper and lower ball joints attach to it unless the car has struts.  In that case, the struts and lower ball joints attach to the knuckle.  Spindles attach to the knuckle and support the wheel bearings.  Zero In Racing has knuckles and spindles from manufacturers like MaxTrac.