ACT Heavy Duty Clutch Pressure Plate ACT 16-17 Mazda MX-5 Miata ND P/PL Heavy Duty Clutch Pressure Plate Pressure Plate MZ029 pressure plate features an exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All ACT diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Heavy Duty pressure plates increase clamp load by 20 to 50 percent. The Heavy Duty pressure plates are recommended for use with a street or race disc. "Excellence in Performance", backed by the best one-year warranty in the industry! Transmission Clutch Pressure Plate ACT Heavy Duty Pressure Plate Heavy Duty Pressure Plate