Factory Pro part O-XCP002 is a graphite rear shock tower tailored for the XRAY T4-20 chassis. The graphite plate substitutes the factory plastic mount to provide different stiffness and flex traits, aiding consistent suspension geometry and more predictable rear-end reactions.
Fitting uses the T4-20s standard rear shock positions and the existing chassis mounting points. During installation, verify the shock eyelets line up correctly and that there is no contact with the body shell or suspension arms. Use original screws where possible and apply moderate torque to avoid compressing the graphite material.
Setup guidance: the graphite tower will usually increase torsional stiffness compared with softer plastics, which can tighten rear traction and modify roll behaviour. Make incremental changes to valving, springs and anti-roll settings after fitting and check the full range of suspension movement before competitive runs.
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