Brembo F8X M2 / M3 / M4 Race Big Brake Kit - 380x34mm 2-Piece Front 6 PistonProduct Description: (F) 6 Piston Forged Monobloc Calipers 380x34mm (15") 2 Piece Discs Complete Front Axle Set Pre Assembled All Necessary Hardware Included INTENDED USE Street Track Race ___ ___ ___ ___ ___ CALIPER Body: Forged Monobloc Piston Configuration: 6 Piston Piston Design And Insert Type: Inner Pressure Seal Stainless Steel Insert DISC Type: Type 3 Slotted Semi Float Material Finish: Advanced High Carbon Alloy Unplated Diameter: 380mm