Needle Valve Assembly by YS Engines
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The Needle Valve Assembly includes one mid range needle, complete with O-Rings, and needle valve detent. This will works with a wide variety of YS helicopter engines from older discontinued models, to current engines such as the 91 SR, 91 SR-3DS, and 91 SRX Tareq.
This product was added to our catalog on February 16, 2016.