The XRAY 372327 X1 Aluminum Caster Bushing Set provides a controlled way to adjust caster within a 6 to 9 degree window to suit different circuits and driving styles. Manufactured from aluminium for predictable performance, these bushings help maintain steering geometry under load for more stable handling.
Aluminium offers a firmer, more dimensionally stable option than some plastics, reducing unwanted flex at the steering pivot and keeping settings repeatable. The XRAY 372327 kit includes three inserts so you can test and apply your preferred caster choice.
Use the 6 to 9 degree steps to tune front-end behaviour; small changes can have noticeable effects on turn-in and self-centre action. Combine caster adjustments with shock and tyre setup to achieve consistent lap times.
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