Description: Front anti-roll club for ball-bearing roll bar mounting system and redesigned to work alongside the X4 front suspension system arms. The anti-roll club system is installed on front side bulkheads via bearings from outside for extra-smooth movement as well as for fast & effortless modifications and modification. The roll club turns in ball-bearings for optimum precision and free motion. Anti-roll bar height is adjustable via a screw...quick & effortless. Anti-roll club has laser-engraved stripes (corresponding to bar depth) for effortless recognition.