The Kenworth W900 National Seating Series 2000 Ultra Ride 10 Inch Seat Base Adapters are a practical and beneficial addition to your truck. Available in chrome or billet aluminum, these adapters are designed to fit Kenworth W900 National Seating Series 2000 Ultra Ride Seats. With a crystal white finish, these adapters provide a sleek and stylish look to your truck's interior. Each adapter is sold individually, making it easy to customize your seating arrangement. Upgrade your truck's seating with these durable and versatile seat base adapters.