This precision aluminium caster block is a replacement item made to be compatible with Team Associated RC18T and RC18R cars. Machined from aluminium to improve stiffness over plastic, the unit acts as the mounting point for the steering knuckle and helps set caster geometry accurately.
Installation is aimed at hobbyists: remove the original according to the chassis instructions, carry over bearings or pins where appropriate, and secure the aluminium block using the chassis hardware. Once fitted, recheck steering free play, alignment of the steering linkage and the wheel bearing seating for safe, correct operation.
In terms of setup, the stiffer aluminium block reduces front-end flex and stabilises steering feedback, which aids repeatable camber and caster adjustments during competitive runs or practice. It is intended for enthusiasts seeking a solid drop-in upgrade to refine front-end behaviour on RC18T and RC18R models.
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