CASTROL POWER 1 ULTIMATE 10W40 4L WITH K&N OIL FILTER. 1x 4L Castrol Power 1 Ultimate 10W40 Oil. Castrol Power 1 10W40 Oil. Specification: JASO: MA2 API: SN SAE: 10W40. The Castrol POWER 1 is developed with a cutting-edge formulation technology, underpinned by more than 100 years of experience in the field of motorcycle lubrication.
