*This is the successor to the KN204. KN204 and KN-204-1 are the same. Fits: *Harley-Davidson: 62700045 *Honda: 15410MCJ000, 15410MCJ003, 15410MFJD01 *Kawasaki: 160970002, 16097003, 16097007 *Yamaha: 1WDE3 44000 00, 5GH134402000, 5GH134405000 Cartridge Type (Black) Top Nut: 17mm, Center Screw Size: M20 x 1.5 Filter Material: Cellulose, Height: 75mm, Outer Diameter: 67mm (cartridge type height includes wrench nut) Anti-Back Function: Yes, Bypass Valve Function: Yes, K&N High Performance Oil Filter is a trusted high flow air filter. Increased filtration performance and oil flow reduces filter pressure loss and improves engine performance Filtering Effect: Using cellulose material impregnated with resin, the filtration performance is 10 - 20 microns, and can also be used to remove ultra-fine metal powder. Like air filters, the accordion construction allows the oil passing through contact with the filter for increased filtration effect.