- Tuning Kit includes 3 stiffer springs that enables changes to power valve opening speeds to soften delivery
- Combine with AB-21187 Beta Power Valve for on-the-fly adjustability
- Fits all 2013+ 125/200/250/300 RR 2-strokes & XTrainers
$13.59 Original price was: $13.59.$10.75Current price is: $10.75.
