SPARCO CIRCUIT II QRT SEATCIRCUIT II QRT SEAT (2019) 008011RNR The Circuit II QRT is a wider version of the Circuit which is an ultra light competition seat specifically designed for circuit use. Made from aramadic fiber reinforced fiberglass with all new QRT Technology, the Circuit II QRT features a wider shell to accommodate a larger driver. The Circuit II LF includes integrated head bolsters to protect the head and deep side bolster for maximum lateral containment. This