The present invention is a device for adjusting the camber angle of a tire/wheel assembly of a vehicle. The device comprises a camber arm having a cage. The cage comprises a cavity and front and top walls. The top wall comprises first and second slots. The cage further comprising a cut-out extending along the front and top walls. The device further comprises a ball joint assembly adjustably engaged with the cage. The device further comprises a fastener for securing the upper clamping plate to the lower clamping plate of the ball joint assembly. The ball joint assembly is adjustably moved along the first and second slots of the cage from a first position where the outward portion of the ball joint housing is disposed outside of the cavity of the cage and a second position where the outward portion of the ball joint housing is disposed within the cavity.