SKU: 4928021780

Advanced Clutch XT/Race Rigid 4 Pad (SB11-XTR4)

$553.50 $615.00
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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6

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Description

Advanced Clutch XT/Race Rigid 4 Pad (SB11-XTR4)SB11 XTR4 kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme 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

SB11-XTR4 kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme 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 rigid race disc, engagement is harsher, but shifting is faster. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines.

Features:

  • Moderate to heavy pedal effort, aggressive engagement, increased gear rattle
  • Moderate friction life, extended by ACT's exclusive diaphragm design, rigid design may increase spline wear
  • Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
  • Recommended for race use only
  • 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability
    • Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 4928021780

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    4.3 ★★★★★
    Based on 13 reviews
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    Verified Purchase
    Mickey
    Whiting, US
    ★★★★★ 5
    Good pain relief. Fair price and no side effects.
    Size: 30 Count (Pack of 1)
    I take this for its ability to block interleukin 1b and interleukin 6 and cox 1 and 2 enzymes without side effects or harm to liver or kidneys. This brand seems to be working well. I tried the Hawaii brand BioAstin 90 caps for $48 and this brand seems to be about the same price per cap. I have not noticed any difference in quality. Information: Astaxanthin works as an anti-inflammatory through multiple pathways. The various mechanisms of action for Astaxanthin as an anti-inflammatory have been demonstrated in several studies (Lee, et al, 2003; Ohgami, et al, 2003; Choi, et al, 2008; Kishimoto, et al, 2010). This research has consistently shown that Astaxanthin works on a variety of different causes of inflammation. In fact, there is evidence that it works on six different inflammatory markers, but that it works in a gentle, broad-spectrum manner. This is in distinct contrast to anti-inflammatory drugs such as Celebrex® and Vioxx® as well as over-the-counter anti-inflammatories such as Non-Steroidal Anti-Inflammatory Drugs (NSAIDs including Tylenol®, Motrin®, Alleve®, etc.) and aspirin, all of which target a single inflammatory marker, but in an intense manner. Inflammatory markers gently reduced by Astaxanthin include: • Prostaglandin E-2 • Interleukin 1b • Interleukin 6 • Tumor Necrosis Factor-A • Nitric Oxide et al, 2010) • Cox 1 & 2 enzymes (Lee, et al, 2003; Ohgami, et al, 2003; Choi, et al, 2008; Kishimoto, Natural Astaxanthin has never been reported to have any side effect or contraindication in hundreds of medical research studies as well as over 15 years of commercial consumer use.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 11, 2026
    C
    Verified Purchase
    clover
    San Leandro, US
    ★★★★★ 5
    Astaxanthin
    Size: 30 Count (Pack of 1)
    1 week - I've been taking this 12mg Astaxanthinand I've experienced no side effects. I've made sure to take this with food. My husband tried it twice and had a stomach ache afterwards, but I've been fine! I'm looking forward to seeing if this supplement helps with my dry eyes & gives me a glow/tan. Will provide an update in a month.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 2, 2026
    Y
    Verified Purchase
    yamileth
    Carnegie, US
    ★★★★★ 4
    Un buen producto en buen estado.
    Size: 30 Count (Pack of 1)
    Es buen producto con ingredientes confiables, se pueden ver los cambios en menos de 30 dias. El producto llego en el tiempo prometido y en buen estado.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 12, 2026
    M
    Verified Purchase
    Moody1
    Fort Morgan, US
    ★★★★★ 5
    Works very well on my face.
    Size: 30 Count (Pack of 1)
    I am totally amazed with his supplement. I wish I had taken a before picture. After only a couple of weeks the wrinkles on my face are disappearing. Time will tell if it helps with the ones on my mouth area and near my mouth. The wrinkles on my face and cheeks are completely gone.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 26, 2026
    E
    Verified Purchase
    ElenaFox
    Fort Morgan, US
    ★★★★★ 5
    Good value for 12mg Astaxanthin
    Size: 30 Count (Pack of 1)
    Long time user of Astaxanthin so can’t say if this particular one made a difference but I can say it’s a good value compared to a majority of other brands considering you get 12mg; like most the capsules are easy to swallow. I feel like since this is Amazon’s own brand there’s less risk of receiving an imposter product as can be an issue with some brands. I suggest stocking up when there’s a promotion.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 22, 2025

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