Brembo E46 M3 Race Big Brake Kit - 355x32mm 2-Piece FrontProduct Description: (F) 4 Piston Calipers 355x32mm (14") 2 Piece Discs Complete Front Axle Set Pre Assembled All Necessary Hardware Included INTENDED USE Street Track Race ___ ___ ___ ___ ___ CALIPER Body: Cast 2 Piece Radial Mount Piston Configuration: 4 Piston Piston Design And Insert Type: Inner Pressure Seal Stainless Steel Insert DISC Type: Type 3 Slotted Material Finish: Advanced High Carbon Alloy Corrosion Resistant Plating Diameter: 355mm