2003-2006 Nissan 350Z HD 6 Puck Solid Clutch Kit by ACT NZ1-HDR6 kit features ACT\’s most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All 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 6-pad rigid race discs are made with high quality, ceramic friction materials. The chrome-moly hub is heat-treated for strength and durability. The lightweight, rigid design allows for quicker shifts and smooth, trouble-free service. With the 6-pad rigid race disc, engagement is harsher, but shifting is faster. The 6-pad rigid race disc is recommended for larger clutch sizes to absorb more heat. Features Product Weight (lbs.) – 16 Torque Capacity (ft/lbs.) – 580 Torque Capacity Over OE – 59% Disc Material – Ceramic Clutch Disc Diameter (Inches) – 9.8 Clutch Disc Diameter (Millimeters) – 250 Input Shaft Diameter (inches) – 1 Pressure Plate Type – Heavy Duty Benefits Feel – Light to moderate pedal effort, aggressive engagement, increased gear rattle Life – Moderate friction life, extended by ACT\’s exclusive diaphragm design, rigid design may increase spline wear Quality – Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance Recommended Use – Recommended for race use only ACT Difference – 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability Applications 2003-2006 Nissan 350Z What\’s In The Box? 1 – HD 6 Puck Solid Clutch Kit Warranty ACT\’s Standard 1-Year Limited Warranty