Description Four-Stroke Engine Fastener kits include bottom-end hardware for the following: Crankcase Covers, Clutch Cover, Oil Filter Cover, Crankcase, Case Saver, Water Pump and various top-end bolts depending on model Brand: Bolt Motorcycle Hardware This warning is being provided to comply with the State of California's Proposition 65.Cancer and Reproductive Harm - www.p65warnings.ca.gov