Bolt Motorcycle Hardware'sFour-Stroke Engine Fastener kits include bottom-end hardware for the following: Crankcase Covers Clutch Cover Oil Filter Cover Crankcase Case Saver Water Pump Does not include engine-to-frame mount bolts.This kit fits the following models:KX450F 2016-2020 Fits: Kawasaki KX450F 2016-2019 KX450X 2021-2022