Service Kit Fits Honda CB600F Hornet (1998 to 2002) Service kit comprises of 1 x Hiflofiltro Oil Filter, 1 x Hiflofiltro Air Filter and 4 x NGK Spark Plugs. Hiflofiltro has been manufacturing filters for the OEM motor industry since 1963. With the experience of more than four decades, constant research and development and modern production facilities they manufacture today some of the best quality filters in the world. Hiflofiltro is the complete range of motorcycle filters engineered to extreme quality standards to provide ultimate engine protection. Hiflofiltro Premium Oil Filters. Best Consumer Value – Best Quality and Price. Constructed using the Best available Materials. The Worlds FIRST TUV approved oil filter. Materials and production are at the leading edge of technology. TUV Product Approved and Production Monitored. Manufactured to fit factory O. Direct replacement of original equipment filter. No need to change carburetor jets or settings. Top quality powerflow filtering media. 4 x NGK Spark Plugs. NGK are the world leaders in spark plug technology, it naturally follows that the world’s motorcycle manufacturers make NGK products their No. 1 choice for OE fitment. NGK spark plugs are designed using the latest technology to give optimum performance over the engine’s entire rev. NGK standard spark plugs with copper cored centre electrodes for wide heat range. Copper’s superior heat conductivity dissipates the heat of combustion away from the firing end, preventing hot spots that can lead to pre-ignition. A wide heat range means the spark plug performs well with either a hot or cold engine. Performing well at high speeds as well as low speeds, and stop go riding i. Copper cored electrodes also mean that longer insulator noses can be used to protect against fouling.