These beautiful 7075 T6 aluminum adjustable ball-bearing hubs are direct replacement of standard composite people included in the kit. The aluminum hubs lessen the friction and make the car to run more free with increased the drivetrain efficiency. Recommended specifically for stock class in which super low friction drive train is essential. The aluminum hubs are stronger and more reliable with an increase of life time. Colors coated in XRAY distinctive orange color. Pair of 2.