The description of this item has been automatically translated. The V-Force 3, 4 and 4R reed valves have characteristics that are not found in any other reed valve on the market.The special double W design allows to increase the surface of the slats, thus allowing to lower the stress and adopt softer slats. The result is a surprising response at low engine speeds, thanks to the greater softness of the slats and a greater extension to the high ones, thanks to the lower stress of each individual slat. COME TO VISIT US ALSO ON OUR SITE WHERE YOU CAN TAKE ADVANTAGE OF OUR MOST ADVANTAGEOUS OFFERS. ALWAYS ASK FOR AVAILABILITY TO BE CERTAIN OF THE REAL PRESENCE IN STOCK. General conditions and right of withdrawal. The item "V-Force 4 Package Reed Valve Racing KTM EXC 250 2004-2016" is in sale since Sunday, May 16, 2021. This item is in the category "Vehicle Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Cylinder Barrels". The seller is "sc-racingshop" and is located in serra riccò. This item can be shipped worldwide.