Applicable Model: The wheel hubs steering spindle can be installed on left and right of the front wheels, and replacement for quad bike ATV go-kart with 6in tires. For more models please kindly contact us..Wear-Resistant Steel Alloy Structure: Front Wheel Hubs Steering Spindle forged with high-hardness steel alloy and heat treated to provide a better finish and ensure high bearing hardness, wear resistance, and high strength. It can accompany you for a long-time..Safe Steering: The steering knuckle transmits and bears the load at the front of the car, making the car turn stably and easier to deal with bad road conditions. Improving your driving safety..Direct Replacement: 3 stud wheel hubs steering spindle is used to replace or repair the original damaged steering strut knuckle system, to provide your car with better driving performance. Let you enjoy driving..Easy to Install: The wheel hub steering spindle is stringently manufactured to meet the original standard, the perfect replacement for the old or broken one, and easy installation. Saving your time and energy.