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ACT 6-Puck Disc Replacement SB4 - Subaru STI 2004+
ACT 6-Puck Disc Replacement SB4 - Subaru STI 2004+
ACT 6-Puck Disc Replacement SB4 - Subaru STI 2004+
ACT 6-Puck Disc Replacement SB4 - Subaru STI 2004+

ACT 6-Puck Disc Replacement SB4

Subaru STI 2004+

msrp: $255.00

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Features & Product Details

RallySport Direct proudly sells a great selection of high-performance clutches and replacement clutch components brought to you by Advanced Clutch Technology.


Here, you are looking at the ACT Replacement 6-Puck Sprung Replacement Disc. This disc is recommended for road racing and high-power street vehicles. That being said if you've done one too many launches gone wrong and the rest of your clutch components are in good standing, then this disc is available for separate purchase without having to purchase a whole new clutch kit. 




  • Sprung race disc type
  • Ceramic disc material
  • Heavy-duty torsional dampening springs
  • Aggressive engagement feel to provides quick shifts with mild to moderate gear rattle
  • Premium ceramic friction materials provide moderate wear rates and high heat tolerance
  • Utilizes wraparound spring windows, thicker retainer stampings, and a heat-treated spring steel drive plate to provide support, reduce stress concentrations and increase strength and reliability
  • Recommended for high horsepower street or race use
  • High burst strength and holds 28% more torque and typical organic materials


    Brand: ACT
    Disc Material: Cerametallic
    Disc Style: 6-Puck
    Disc Type: Sprung Hub
    Mfgr. Warranty: 1 Year
    Condition: New Product
    Return Policy:
    RallySport Guarantee
    WARNING: Cancer and Reproductive Harm -



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    ACT 6-Puck Disc Replacement SB4 6 years ago
    5out of 5stars
    works perfectly! does chatter more than stock but also holds down the power far beyond oem clutch
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    • Q: Atc 6 puck disc replacement   DAMNATION 2 years ago

      Does this come with the alignment tool?
    • Q: Act clutch   Lbop2 years ago

      Do this fit the 2005 wrx with yellow face?
      • 0 of 0 people found the following answer helpful

        A:  You would likely need part ACT6228218, but give u s a call and we can make sure you get the right disc for your WRX.

        Lane H. @ RallySport Direct 2 years ago  
        Was this answer helpful?
    • Q: Compatibility   kalendarrell3 years ago

      I bought the act heavy duty four puck and hate it would like to try this six puck disc will it work with my heavy duty pressure plate?
    • Q: ACT SB-10 HDSS  09STI3 years ago

      Will this disc work with the ACT SB-10 HDSS for my 09 sti hatchback. My car is making 500 whp on E-85 and roughly 475ftlbs of torque.
      • 0 of 0 people found the following answer helpful

        A:  I would recommend going with something rated at a higher power since this would be cutting it a little close.

        Tylo R @ RallySport Direct
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    • Q: SB10 pressure plate  Ripaki4 years ago

      Will this clutch fit with the SB10 plate?
      • 1 of 1 people found the following answer helpful

        A:  Yep, this is one of the available friction discs from the SB10 kits, and will work with that pressure plate.

        Marcus E. @ RallySport Direct 4 years ago  
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