Zestek Racing Boss Kit - Toyota

Zestek Racing steering wheel boss kit for Toyota. Vehicle-specific aluminum adapter that bolts to the steering column so a Zestek SCX/DRX hub can mount to it. Required for SCX/DRX hub installation.

Fitments: A90 MK5 Supra, ZN6/ZN8 GR86 (2018+), GR Corolla/Yaris.

Source: Zestek Racing USA catalog listing, October 2026. Confirm fitment for your application before ordering.