The Grammer 90.6/Kingman Air Suspension Driver's Seat is expertly designed to provide superior comfort and support for drivers in heavy-duty vehicles. This seat is compatible with all vehicles equipped with 216 mm seat tracks, including popular brands like Mack and Kenworth. For added versatility, the seat can be modified to accommodate automatic gear control, ensuring seamless integration with a wide range of vehicle setups. Engineered for durability and ergonomic support, the Grammer 90.6/Kingman seat offers an enhanced driving experience, making it an ideal choice for long-haul and demanding driving conditions.