Royal Enfield Meteor 350cc as easy as 1.2.3. We have combined the factory oil filter with the factory O-rings. Now you have all of the hardware needed to change your oil in one convenient kit. Parts included: 1 Royal Enfield oil filter (part number: 1570120), 1 oil filter cover O-ring (part number: RLN00015), and 1 oil strainer cover O-ring (part number: 1570012). All parts are guaranteed to fit your Royal Enfield 350cc Meteor