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Product Name
Beta 2-stroke Power Valve Spring Kit
[AB-22004]
price$14.99
Product Description
-Tuning Kit enables changes to power valve opening speed
-3 power valve springs; yellow, green, & red have different stiffnesses
-A stiffer spring slows opening speed, a softer spring speeds it up
-Different springs enable a more linear or aggressive power valve opening speed

Fits all 2013-on 250/300 RR 2-strokes & XTrainers. In our testing, the yellow spring seems to be the best; "gives the XT 4-stroke-like power!"

Beta 2-stroke Power Valve Spring Kit
Beta Original Parts

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