The Yokomo B9-RTCA is a rear toe control kit compatible with BD9-series touring car platforms. It links toe change to suspension movement, creating a variable toe characteristic that reacts during compression and rebound.
This part is offered as an extra setup option to shape rear-end behavior without modifying the core suspension geometry. Use it to target traction consistency and mid-corner stability as part of a broader tuning plan.
Installation notes: the unit connects to the rear suspension area on the specified models and usually requires basic teardown of the rear assembly. Standard hand tools such as hex drivers and wrenches are needed; consult the chassis manual or retailer documentation for model-specific instructions.
For owners of BD9-derived Yokomo platforms seeking a tunable rear toe response tied to suspension travel, the B9-RTCA adds another adjustable dimension to rear-end setup and traction tuning.
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