K&N Powersports Oil Filters trap harmful contaminants while the filter's construction allows for high oil flow rates. Features High-performance design for outstanding filtration High-efficiency media with uniform pleats Oil filter design provides for a high rate of oil flow Ideal for high-end synthetic motor oil Specifications Style: Cartridge Filter Material: High Flow Premium Media Gasket Material: Nitrile Rubber Height: 37mm Outside Diameter: 50mm Inside Diameter: 12mm Fits: Kawasaki Z1 1973-1975 Z1000A 1977-1980 Z1000G 1980 Z1000H 1974-1975 Z1000ST 1979-1980 Z1300 1979-1989 Z1R 1978-1980 Z750B 1976-1979 Z750S 1982-1983 Z900 1973-1975