The NRG FRP-310 Pair of Fiber Glass Bucket Style Racing Seat comes with an adjustable mounting bracket, making it easier to fit them to a wide range of vehicles. The seats are made from high-quality reinforced fiberglass with a durable steel frame and injection-molded foam. The seats are covered in woven material and have deep thigh bolsters to increase safety. The seats provide additional support for the shoulders and lower back. They are compatible with a four, five, or six-point seat belt harnesses.