XRAY 303828 - X4 Rear Anti-Roll Bar 1.8mm Track Tune  [XR-303828]

Stabilise Your X4 with a Tunable Rear Anti-Roll Bar

The XRAY 303828 rear anti-roll bar is a key upgrade to improve balance and cornering for X4 series cars. It mounts directly to the rear suspension arms and uses a ball-bearing mount for low-friction movement, letting racers make fine adjustments quickly to suit track conditions.

Ball-Bearing Mount and Clear Markings

Using a precision ball-bearing roll bar mount, the XRAY 303828 delivers accurate articulation and smooth response. Laser-engraved stripes on the bar show thickness at a glance, and a straightforward screw height adjustment lets you change roll rate fast during setup sessions.

Fitment Notes and Required Parts

Made for XRAY X4 and X4F models, this rear anti-roll bar requires pairing with the #303434 Aluminum Anti-Roll Bar Bushing o2.0mm - 6mm (2) to ensure correct spacing and performance. Use the matching bushing for best stability during high-speed driving.