Thanks for taking a look at my ad. This is a service kit to fit the. Hi-Flo air filter (HFA1602). Hi-Flo oil filter (HF303). Two standard copper core NGK CR8EH-9S spark plugs (stock code: 7750). 4 litres of fully synthetic 10w30 Silkolene Pro 4 engine oil. Silkolene Pro 4 fully synthetic ester oil conforms to the following technical specifications JASO MA2 and API SN and is. Suitable for on-road, on-track, and off-road motorcycles. Using XP Technology, Pro 4 oil. Increases power, reduces oil consumption and improves fuel economy. It also combats engine wear and friction at high temperature and cold start. Pro 4 XP oil benefits from our exclusive extra performance additive pack. Developed through extensive research and fine-tuned on the racetrack, Fuchs Silkolene XP technology can deliver performance improvements of up to 11% fuel savings, 18% lower oil consumption and 3% increased power, ensuring your engine delivers ultimate performance and provides complete protection. The birth in 1908 of the innovative company that was later to become known as “Silkolene” was the vision of the entrepreneurial Dalton family of Belper, Derbyshire, England. Any questions, please feel free to contact me.