Beta 2-stroke Power Valve Spring Kit

Name: Sierra Motorcycle Supply Beta 2-stroke Power Valve Spring Kit - Beta 2-stroke Power Valve Spring Kit
Brand: Sierra Motorcycle Supply
SKU: 13243324825653
Price: 16.99 USD
Availability: InStock
Rating: 5 (3 reviews)

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$16.99

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Color

Black

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-Tuning Kit enables changes to power valve opening speed by changing inner spring stiffness
-3 power valve springs; red (soft), yellow (medium), & green (stiff) have different stiffnesses
-A stiffer spring with maximum preload slows opening speed and gives linear delivery; a softer spring with the least preload speeds it up and gives mo