Brembo GT Performance Front Big Brake Kit - BMW F8X M3/M4

Brembo's GT Big Brake System is most popular high performance option for street to track. Brembo GT BBKs come with opposed piston calipers and are designed for high thermal resistance and precise brake modulation. Lightweight 2-piece discs increase thermal capacity to dramatically reduce brake fade, and are available in cross-drilled or slotted designs.