The GP-90 is a seat which again offers excellent support however, it is equipped with removable and adjustable leg, base and back cushions. It is also ADR approved making it equally at home on the track or the road. It is a side mounted seat equipped with 5 harness holes to allow any configuration of racing harness to be used. Seat sizing chart attached. Seats may take up to 6 weeks for manufacture. For shipping please contact us.