The XRAY 303174-H Rear Suspension Arm Long Left is built to fine-tune the T4 2020 handling balance. Extending 7mm beyond the short arm, it helps the car find grip in very-low and low traction situations while also contributing to steadier behaviour where track grip is higher.
This arm is manufactured from a specially tuned hard composite that improves tyre contact without sacrificing service life. It includes a mount for an anti-roll bar and, although the composite is a touch softer than graphite, that slight compliance translates to more traction on slippery tracks.
Compatible with T4 2020 Specs (300026, 300027), the XRAY 303174-H supports stock shock positions and an optional lower 4mm setting. Using the lower position requires the optional lower ULP shock tower and can help lower roll centre for better control through chicanes and tight sequences.
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