Some models may require a reed spacer and/or porting for clearance. The item "V Force 3 Reed Valve Kit Vintage Kawasaki KX125 79-81 KX250 78-81 KX420 80-81" is in sale since Wednesday, July 8, 2020. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Air Intake & Fuel Delivery\Other Intake & Fuel Systems". The seller is "parts-traders" and is located in Englewood, Colorado. This item can be shipped worldwide.