The KraftWerks 30mm Rotrex supercharger kit (Race, black head unit) for 2013–2017 Subaru BRZ / Scion FR-S / Toyota 86 uses a patented Rotrex traction-drive blower to deliver compact, efficient forced induction. The race-oriented kit emphasizes broad usable power and transient response while keeping weight and noise low compared with other methods, and is developed in-house by KraftWerks engineering and R&D teams.
KraftWerks 13-17 BRZ / FRS 30mm Belt C38 Head Unit Supercharger Kit w/o Tuning