Yamaha 99999-04192-00 Head Cylinder With Ex Valve Genuine OEM Yamaha part. Supersedes:6CB-11110-00-94,6CB-11110-00-00,6CB-11120-00-00,6CB-11120-00-94Special Order Yamaha Marine Information:Additional Handling Time: Item transfers from an alternate warehouse requires an additional 23 business days to ship.Non Returnable: This item is ordered specifically for your application and cannot be returned or canceled once processed.Verify Fitment Before Ordering: Please confirm compatibility with your engine model.