Brembo E60 M5 / E63 M6 GT Big Brake Kit - 405x34mm 2-Piece FrontProduct Description: (F) 6 Piston Cast Monobloc Calipers 405x34mm (15. 9") 2 Piece Discs Complete Front Axle Set Pre Assembled All Necessary Hardware Included INTENDED USE Street Track Race ___ ___ ___ ___ ___ CALIPER Body: Cast Monobloc Radial Mount Piston Configuration: 6 Piston Piston Design And Insert Type: Inner Pressure Seal OEM Approved Dust Boot DISC Type: Cross Drilled, Type I Slotted, or Type 3 Slotted Material Finish: Advanced High Carbon