The Sparco QRT-R was the first seat to feature Sparco’s patented QRT technology. This QRT Technology gives an unparalleled mechanical strength/weight ratio for composite racing seats. QRT Technology gives an average weight savings of 30%. The QRT-C is the newest version of the QRT-R seat range, with the added benefit of carbon fiber outer layers. The QRT-C has a unique CAD design that features a lower seating position that can fit a larger/taller driver with the exterior dimensions that can fit into smaller vehicles. The QRT-C is FIA approved.