The XRAY 303168 Composite Rear Suspension Arm is a race-focused upgrade designed to tighten up rear-end behaviour. Made for the T4 chassis, this hard composite arm is aimed at reducing flex when running at elevated temperatures.
XRAY refined the composite mix to maintain stiffness under heat, helping to preserve suspension geometry during long runs and hot track conditions. The result is more consistent steering feel lap after lap.
Featuring four reinforced mounting holes, the arm accepts optional graphite plates (#302190) to give tuners an easy path to alter rear stiffness and adjust handling characteristics to suit different surfaces.
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