ALPHA MODEL 1/24 scale model car kit Ferrari SF90XX StradaleALPHA MODEL 1 24 scale model car kit Ferrari SF90XX Stradale The SF90 XX Stradale Spider is the track focused version of the SF90 Stradale Spider. Unlike the track only Ferrari FXX, 599XX, and FXX K models, the SF90 XX is road legal, although it is track focused. The SF90 XX is designed to provide one of the most efficient aerodynamic performance of any road legal car in Ferrari's history. The hybrid powerplant used in the SF90 XX Stradale Spider has