The lowest price component in this 017 - Throttle Body parts-list fiche is the Screw Tcei M6x18.
Parts such as the 017 - Throttle Body: Injector Holder Upper, Nut, Injector, O-ring are included in the Sbk959 2018 Usa (superbike 959 Panigale Corse) D220-00018 017 - Throttle Body parts fiche.
On this parts fiche the Screw Tcei M6x18 is the most specified component.