This version called "Sparco Siena Reclinable Seat" (or Type 2) replaces the regular bucket seat by a larger retractable model called Siena.
See versioon, nimega "Sparco Siena Reclinable Seat" (ehk tüüp 2), asendab tavalise korvistme suurema liigutatava mudeliga nimega Siena.