The Brembo 915508 Hardware Pack is a high-performance partial mounting kit specifically engineered for 2-piece floating rotors with dimensions of 365x34mm and 380x34mm. This professional-grade hardware ensures secure attachment of the brake disc ring to the aluminum bell (hat), maintaining precise tolerances under extreme thermal loads. Kit contents include: 10x NAS Self-Locking Nuts (Art: 15.5342.33), 10x M10 High-Tensile Bolts (Art: 05.4542.21), and 10x Spring Washers (Art: 10.5113.13). Please note: This is a partial kit and does not include attachment bushings. Designed for use with Brembo High Performance (GT) and Racing braking systems.