This Yokomo BM-414 Kig Pins kit supplies the standard king pin set intended for B-MAX2 and B-MAX4 RC touring car platforms. The parts are presented as direct replacement pieces to restore steering pivot points during routine maintenance or after wear from track use.
Installation is straightforward for hobbyists familiar with front-knuckle service: remove the knuckle, extract the worn pins, and press or fit the replacement king pins into the pivot bore following the chassis manufacturer's recommended clearances. Check for correct steering geometry after fitment and verify there is no binding in the pivot travel.
For setup and tuning, king pins influence steering feel and wear patterns at the front end. When renewing these pins, inspect related items such as bushings, ball bearings, and related screws to ensure a balanced servicing pass—this keeps steering response consistent during practice or race sessions.
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