These Superwinch premium hubs allow you to manually lock and unlock your front wheels from the drivetrain. This gives you the traction of 4WD, plus the gas mileage and extended component life of 2WD, without the sloppy engagement and disengagement of factory automatic hubs. Made from corrosion-resistant aluminum with cast-iron drive components, Superwinch premium hubs will give you a lifetime of dependable service.