Brembo E46 M3 GT 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 OEM Approved Dust Boot DISC Type: Cross Drilled, Type 1 Slotted, or Type 3 Slotted Material Finish: Advanced High Carbon Alloy Corrosion