This RC king pin spring is produced for front-end tuning on Yokomo GT1 and YRX chassis. The twin 0.50mm-wire springs are a touch firmer than standard replacements, enabling improved steering return and initial camber reaction while leaving the main suspension geometry unchanged.
Intended fitment covers the GT1 chassis variants and YRX models listed below. Installation requires disassembly of the front knuckle to access the king pin spring; swap the springs and then inspect for full-travel clearance. The firmer wire helps the front end resist sudden steering deflection, beneficial on high-traction surfaces and aggressive driving styles.
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