Brembo F8X M2 / M3 / M4 GT Big Brake Kit - 365x34mm 2-Piece FrontProduct Description: (F) 6 Piston Cast Monobloc Calipers 365x34mm (14. 4") 2 Piece Discs Complete 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 or Slotted Material Finish: Advanced High Carbon Alloy Corrosion Resistant