The Kenworth W900 National Seating Series 2000 Ultra Ride 10 Inch Seat Base Adapters are a practical and durable solution for upgrading your Kenworth W900 National Seating Series 2000 Ultra Ride Seats. Available in a striking yellow color and offered in either chrome or billet aluminum, these 10-inch adapters are sold individually and provide a secure and stable base for your seats. Enhance the comfort and functionality of your truck with these high-quality seat base adapters, designed to fit seamlessly and improve your driving experience.