ACT ZM8-HDG6 HD/Race Sprung 6 Pad Clutch Kit for 2004-2011 Mazda RX-8

ACT ZM8-HDG6 HD/Race Sprung 6 Pad Clutch Kit for 2004-2011 Mazda RX-8

$523.00 In Stock Sold out




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ZM8-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 stress concentrations, and increase strength and reliability. With the 6-pad, spring-centered race disc, engagement is harsher, but shifting is faster. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat.


  • ACT HD/Race Sprung 6 Pad. Buy now and get same day shipping!
  • Feel: Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle
  • Life: Moderate friction life, extended by ACT's exclusive diaphragm design
  • Quality: Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
  • Recommended Use: Recommended for high horsepower street or race use
  • ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability
  • Disc Material: Ceramic
  • Pad Quantity: 6
  • Warranty: 12 Months
  • Spline Count: 23
  • Friction Surface Diameter (Inches): 9.4
  • Input Shaft Diameter (Inches): 1
  • Friction Surface Diameter (mm): 240
  • Pressure Plate Type: Heavy Duty
  • Item Description: HD/Race Sprung 6 Pad
  • Product Weight (lbs.): 15.9
  • Disc Type: Sprung Race Disc
  • Torque Capacity Over OE: 72%
  • Torque Capacity (ft/lbs.): 420


  • Mazda RX-8 (2004-2007) - Base 1.3 R2 GAS FI 1308cc
  • Mazda RX-8 (2005) - Shinka 1.3 R2 GAS FI 1308cc
  • Mazda RX-8 (2008-2009) - GS/Touring 1.3 R2 GAS FI 1308cc
  • Mazda RX-8 (2008-2011) - Grand Touring/GT/Sport 1.3 R2 GAS FI 1308cc
  • Mazda RX-8 (2008) - 40th Anniversary Edition 1.3 R2 GAS FI 1308cc
  • Mazda RX-8 (2009-2011) - R3 1.3 R2 GAS FI 1308cc


  • We do our best to ship most items same or next day.
  • For all products, free fast delivery of the UPS is already included in the price.

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Shipping and Delivery Times


  • All in-stock products are shipped within one business day. Delivery usually takes 2-5 business days. We have a large number of warehouses in different states which allows us to deliver the orders very fast.





  • Most products are shipped via UPS Ground, FedEx depending on size with some large items shipped by SAIA or others.
  • Once your order ships, tracking details will be emailed to you.



Where’s my order?


  • Good question, when tracking details have been provided that means your order has been processed and shipped. Tracking details usually appear in the shipper’s database within one business day, i.e. UPS and FedEx generally provide point-in-time tracking meaning your order location is updated as it is scans and gets closer to you.  Most orders should arrive within 2-5 business days. Still have an issue with delivery, please contact us to see how we can help.





  • Cancellations are free. Please contact us ASAP if you need to cancel your order.

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