Mazda Miata 2006-2010, ACT Heavy Duty Street Disc Clutch kit. Includes – HD Pressure plate MZ-018, Street Disc 3000203 (MZSD056S), Release Bearing RB110, Pilot Bearing PB1030 and Alignment tool AT05. Heavy Duty Pressure Plate Clamps load increase of 20% to 50%, Pedal feels stock to moderate, Many SFI Certified to insure safety Performance Disc Recommended for Street and Race, Quicker engagement, Quiet operation, Best organic friction material, improved hub and burst strength