Screw free design eliminates risk of screws going through motor. Screw free design enables super quick reed petal changes. The unique design of the VForce reed valve system features double the reed tip surface over a conventional reed valve design.This has two major benefits: 1 The reed petals only travel half the distance as a conventional reed valve design to get the same airflow. 2 Because the reed petals only need to travel half the distance of that on a conventional reed valve design, there is a greater chance of them being fully opened as well as a better chance of sealing when they are "closed". A reed petal never truly "closes" in a classic sense, as it is always in movement. Consider this, an engine operating at 8,000 RPM results in a reed petal opening and closing 133 times in one second. This fact, sheds light on another VForce advantage. Since the petals are only traveling half the distance, they generally last longer are they receive less wear than the reed petals on a conventional reed valve design. NOTE : Includes Reed Block only NOT BOOT. The item "Moto Tassinari V308A Delta 3 Reed Valve for 1987-2004 Kawasaki KX250" is in sale since Thursday, March 3, 2016. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Air Intake & Fuel Delivery\Other Intake & Fuel Systems". The seller is "svs_powersports" and is located in Brooklyn, New York. This item can be shipped to United States, Canada, United Kingdom, Australia, Germany.