Front side anti-roll club for ball-bearing roll bar mounting system and redesigned to work well with the X4 front suspension system arms. The anti-roll club system is mounted to the front bulkheads via bearings from outside for extra-smooth motion as well as for fast & effortless changes and modification. The roll club turns in ball-bearings for optimum precision and free movement. Anti-roll bar height is adjustable via a screw fast & simple. Anti-roll club has laser-engraved stripes (corresponding to club thickness) for effortless identification.