This RC-scale kingpin spring is specified for front-end tuning on Yokomo GT1 and YRX platforms. The set includes 2 pcs with a 0.50mm wire diameter, which measures slightly stiffer than standard replacement springs. Use these springs to alter steering return characteristics and initial camber response without changing major suspension geometry.
Fit is intended for the specified GT1 chassis variants and YRX models listed below. Installation requires access to the front knuckle assembly where the kingpin spring sits; remove the knuckle to swap springs and verify clearance during full suspension travel. Because the wire is marginally harder, expect a firmer initial steering feel that helps resist rapid steering deflection on high-grip surfaces.
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