The XRAY 352015 Gearbox Pinion Height Insert is intended for racers who want repeatable, precise adjustments on their XB8. It adjusts the bevel drive pinion gear height within the semi-split bulkheads and offers three distinct settings. This lets you fine tune the drivetrain to match different ride heights and track types, helping the car feel more balanced and responsive.
Fine tuning the pinion position influences how power is applied through the gears, affecting throttle response and corner exit. Use the insert to tailor the car for tight, high-grip layouts or looser surfaces without changing gear ratios, giving you practical flexibility during a race weekend.
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