UMA Racing Valve Springs (for Superhead) - Yamaha T135/Fz150i/R15

USD $101.99



Shipping weight: 0.25 kg

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UMA Racing valve springs ensure uniform tension under compression and are harder to prevent valve flutter at high engine RPM. Made for racing applications on the Yamaha Jupiter MX/Crypton X/Spark/Exciter/Sniper T135, T150 underbones and mopeds.

This set of valve springs hardness are tuned for the UMA "Super head" performance cylinder head kit. Comes included and assembled with the head kit and are not needed to purchase separately.

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