Ferrari SF90 SPIDER: AN OPEN-AIR SUPERCAR New Performance And Innovation...

Ferrari SF90 SPIDER: AN OPEN-AIR SUPERCAR New Performance And Innovation.. The SF90 Spider has plug-in hybrid architecture in which the internal combustion engine is integrated with two electric motors at the front, which comprise the RAC-e (Cornering Angle Regulator, Electric) system, and one at the rear derived from and named after a Prancing Horse Formula 1 innovation, the MGUK (Motor Generator Unit, Kinetic)