The XRAY 302311 aluminium caster bushings are aimed at X4 tuners who need exact caster control. These bushings allow 4 degrees of front caster and offer rear options of 1.5 or 4.5 degrees; two dots mark the orientation for easy swaps. Lightweight aluminium construction with a black finish keeps components both light and robust.
Changing caster with this bushing set provides measurable effects on turn-in speed and mid corner balance. Racers can use the adjustments to reduce understeer or to tighten the front end response depending on track layout and tyre compound.
Each piece is CNC machined to maintain tight tolerances and consistent repeatability during setup changes. The aluminium material helps cut unsprung weight while the black coating shields against daily wear, keeping the appearance tidy under close inspection.
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