Upgrade the CVT performance of your GY6 50cc 4-stroke scooter with the Naraku Performance Variator Kit. Designed for the QMB139 / 139QMB engine platform, this complete kit includes the CNC-machined, PTFE-coated variator drive face, coated movable face with red slider guides, 6 roller weights, bronze bushing, and steel boss sleeve � everything needed for a direct bolt-on variator replacement or performance upgrade.
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