The XRAY X4 CFF2 Rear Lower Arm delivers tighter rear response and steady stability for X4 series vehicles. This short, medium left arm is built to resist wear during aggressive cornering and to keep suspension geometry consistent at speed. Fit it to refine rear-end behaviour whether you are tuning for lap time or durability.
A straightforward upgrade for hobbyists and club racers, this rear lower arm helps stabilise the rear end and fine tune handling on the track.
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