The Kyosho VSW030-01 is a soft clutch spring created to refine the behaviour of RC cars running GS15R engines. It helps reduce abrupt engagement and lets drivers manage acceleration more consistently on track and at the park.
Designed specifically for GS15R compatibility, this spring provides a softer engagement point that supports controlled gear transitions and improved throttle feel during launches and mid-throttle bursts.
Installation of the VSW030-01 is straightforward for most hobbyists familiar with clutch work. Its soft tension encourages clutch engagement at lower RPMs, aiding quicker initial acceleration and more predictable throttle control.
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