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BETA Power Valve Spring Kit AB-22004
- Tuning Kit includes 3 stiffer springs that enables changes to power valve opening speeds to soften delivery
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- Combine with AB-21187 Beta Power Valve for on-the-fly adjustability
- Fits all 2013+ 125/200/250/300 RR 2-strokes & XTrainers
- choosing a selection results in a full page refresh