Used to attach a MOMO Horn Button to any MOMO steering wheel, this Horn Button Retaining Ring is compatible with all MOMO horn buttons that require a securing plate from the rear of the steering wheel. Attached between the MOMO Hub Kit and steering wheel this part enables you to safely secure the horn button in place. These are shipped directly from manufacturer, Please message us before purchasing to ensure the product is in stock. All MOMO Products come with a 12 months warranty.