Thanks for taking a look at my ad. This is a service kit to fit the. Hi-Flo air filter (HFA3910). Hi-Flo oil filter (HF138). Four laser iridium NGK CR9EiA-9 spark plugs (stock code: 6289). 4 litres of semi-synthetic 10w40 Castrol Power-1 engine oil. Castrol Power 1 conforms to the following specification: SAE10w40; JASO MA-2; API SN. Castrol Power 1 with “power release formula” is designed specifically for bikers who love the exhilaration of riding. This advanced, premium quality 4-stroke oil flows fast and minimises internal engine losses to friction. It has been tested and proven to deliver exceptional acceleration and power at the touch of the throttle. The added Castrol advantage of Trizone Technology. Ensures uncompromised performance protection. Any questions, please feel free to contact me.