Description
ACT Clutch Kit – 2000-2009 Honda S2000 (AP1/AP2)
ACT clutch kits combine an application-specific pressure plate and matched disc. Choose by torque requirement, engagement preference, street/track use, and tolerance for drivetrain noise.
Which option should I choose?
The table below uses the rating/specification supplied for each exact ACT SKU where available. We do not copy a torque rating from a different vehicle application.
| Configuration | Application-Specific Ratings & Specs | Driver Guidance |
|---|---|---|
|
Pressure Plate: Heavy Duty | Disc: Performance Street Sprung ACTHS2-HDSS |
Torque capacity: 370 ft-lb • Capacity over OE: 39% • Disc material: Organic • Disc diameter: 8.3 in / 212 mm • Input shaft: 1.03125 • Pressure plate: Heavy Duty • Feel: Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle • Recommended use: Recommended for street and race use | Smoothest engagement; preferred for primarily street-driven vehicles. Sprung hub adds driveline damping and street tolerance. |
|
Pressure Plate: Heavy Duty | Disc: 6-Pad Race Rigid ACTHS2-HDR6 |
Torque capacity: 475 ft-lb • Capacity over OE: 78% • Disc material: Ceramic • Disc diameter: 8.3 in / 212 mm • Input shaft: 1.03125 • Pressure plate: Heavy Duty • Feel: Light to moderate pedal effort, aggressive engagement, increased gear rattle • Recommended use: Recommended for race use only | Aggressive race engagement, with more modulation than a 4-pad disc. Rigid hub gives direct response with greater drivetrain shock/noise. |
|
Pressure Plate: Heavy Duty | Disc: 4-Pad Race Rigid ACTHS2-HDR4 |
Torque capacity: 475 ft-lb • Capacity over OE: 78% • Disc material: Ceramic • Disc diameter: 8.3 in / 212 mm • Input shaft: 1.03125 • Pressure plate: Heavy Duty • Feel: Light to moderate pedal effort, aggressive engagement, increased gear rattle • Recommended use: Recommended for race use only | Most aggressive puck-style engagement; competition-focused. Rigid hub gives direct response with greater drivetrain shock/noise. |
|
Pressure Plate: Heavy Duty | Disc: 6-Pad Race Sprung ACTHS2-HDG6 |
Torque capacity: 475 ft-lb • Capacity over OE: 78% • Disc material: Ceramic • Disc diameter: 8.3 in / 212 mm • Input shaft: 1.03125 • Pressure plate: Heavy Duty • Feel: Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle • Recommended use: Recommended for high horsepower street or race use | Aggressive race engagement, with more modulation than a 4-pad disc. Sprung hub adds driveline damping and street tolerance. |
|
Pressure Plate: Heavy Duty | Disc: 4-Pad Race Sprung ACTHS2-HDG4 |
Torque capacity: 475 ft-lb • Capacity over OE: 78% • Disc material: Ceramic • Disc diameter: 8.3 in / 212 mm • Input shaft: 1.03125 • Pressure plate: Heavy Duty • Feel: Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle • Recommended use: Recommended for high horsepower street or race use | Most aggressive puck-style engagement; competition-focused. Sprung hub adds driveline damping and street tolerance. |
Configuration Details
Pressure Plate: Heavy Duty | Disc: Performance Street Sprung (ACTHS2-HDSS)
Specifications Item Description ACT Heavy Duty Performance Street Sprung Clutch Kit Product Weight (lbs.) 14.0 Torque Capacity (ft/lbs.) 370 Â Torque Capacity Over OE 39% Disc Material Organic Clutch Disc Diameter (Inches) 8.3 Clutch Disc Diameter (Millimeters) 212 Input Shaft Diameter (inches) 1.03125 Pressure Plate Type Heavy Duty Warranty 12 Months ( view details ) HS2-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. 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 Performance Street discs feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs have reduced marcel for faster s
Pressure Plate: Heavy Duty | Disc: 6-Pad Race Rigid (ACTHS2-HDR6)
Specifications Item Description ACT Heavy Duty Race Rigid 6 Pad Clutch Kit Product Weight (lbs.) 13.3 Torque Capacity (ft/lbs.) 475 Torque Capacity Over OE 78% Disc Material Ceramic Clutch Disc Diameter (Inches) 8.3 Clutch Disc Diameter (Millimeters) 212 Input Shaft Diameter (inches) 1.03125 Pressure Plate Type Heavy Duty Warranty 12 Months ( view details ) Description HS2-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
Pressure Plate: Heavy Duty | Disc: 4-Pad Race Rigid (ACTHS2-HDR4)
Specifications Item Description ACT Heavy Duty Race Rigid 4 Pad Clutch Kit Product Weight (lbs.) 12.7 Torque Capacity (ft/lbs.) 475 Torque Capacity Over OE 78% Disc Material Ceramic Clutch Disc Diameter (Inches) 8.3 Clutch Disc Diameter (Millimeters) 212 Input Shaft Diameter (inches) 1.03125 Pressure Plate Type Heavy Duty Warranty 12 Months ( view details ) Description HS2-HDR4 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 4-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 4-pad
Pressure Plate: Heavy Duty | Disc: 6-Pad Race Sprung (ACTHS2-HDG6)
Item Description ACT Heavy Duty Race Sprung 6 Pad Clutch Kit Product Weight (lbs.) 14.7 Torque Capacity (ft/lbs.) 475 Â Torque Capacity Over OE 78% Disc Material Ceramic Clutch Disc Diameter (Inches) 8.3 Clutch Disc Diameter (Millimeters) 212 Input Shaft Diameter (inches) 1.03125 Pressure Plate Type Heavy Duty Warranty 12 Months ( view details ) Description HS2-HDG6 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, spring-centered race disc features a spring-center to properly damp torsional vibrations and resist failure under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce s
Pressure Plate: Heavy Duty | Disc: 4-Pad Race Sprung (ACTHS2-HDG4)
Item Description ACT Heavy Duty Race Sprung 4 Pad Clutch Kit Product Weight (lbs.) 14.2 Torque Capacity (ft/lbs.) 475 Torque Capacity Over OE 78% Disc Material Ceramic Clutch Disc Diameter (Inches) 8.3 Clutch Disc Diameter (Millimeters) 212 Input Shaft Diameter (inches) 1.03125 Pressure Plate Type Heavy Duty Warranty 12 Months ( view details ) Description HS2-HDG4 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 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide
Fitment note: Confirm model year, engine, transmission, flywheel, and related clutch components before ordering.