SKU: 66088018816

SB10-HDR4 - HD-M/Race Rigid 4 Pad

Sale price$270.45 Regular price$300.50
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

SB10-HDR4 - HD-M/Race Rigid 4 PadItem Description: HD M Race Rigid 4 Pad Product Weight (lbs.): 15. 9 Torque Capacity (ft lbs.): 668 (88% over OE) Disc Material: Ceramic Clutch Disc Diameter (Inches): 9. 4 Clutch Disc Diameter (Millimeters): 240 Input Shaft Diameter (inches): 1 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The SB10 HDR4 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use an exclusive diaphragm design to

  • Item Description: HD-M/Race Rigid 4 Pad
  • Product Weight (lbs.): 15.9
  • Torque Capacity (ft/lbs.): 668 (88% over OE)
  • Disc Material: Ceramic
  • Clutch Disc Diameter (Inches): 9.4
  • Clutch Disc Diameter (Millimeters): 240
  • Input Shaft Diameter (inches): 1
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description:

  • The SB10-HDR4 kit features ACT's most popular Heavy Duty pressure plate.
  • ACT Heavy Duty pressure plates use an 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.
  • Precision cover stampings ensure 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 smaller disc sizes in smaller engines.
  • Monoloc is included, providing uniform loading on the bearing and pressure plate to assure proper alignment, regardless of driver influence or vehicle modifications. Monoloc's hardened chrome-moly steel construction ensures years of service.

Description:

  • Feel: Light to moderate pedal effort, aggressive engagement, increased gear rattle, confidence during hard shifts
  • Life: Moderate friction life, extended by ACT's exclusive diaphragm design, dramatic improvement in release mechanism life, 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, major improvement in release mechanism
  • Recommended Use: Recommended for race use only
  • ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability, includes ACT's patented Monoloc

Vehicle Fitment:

  • Compatible with various Subaru models ranging from 2002 to 2021, including Impreza WRX STI, Legacy GT spec.B, and others.

Prop 65 Warning:

  • This product contains chemicals known to the State of California to cause cancer or birth defects. For more information, visit www.P65Warnings.ca.gov.
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: 66088018816

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.1 ★★★★★
Based on 2055 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
K
Verified Purchase
Karen T. Mcneely
Birmingham, US
★★★★★ 2
Just linear
Format: Paperback
I appreciate that it helps to organize the chaos of information, but I just used the template verbatim with my manager and it did not go very well. He said this linear approach does not work anymore with high-level corporate audiences. They want to cut right to the chase and start to dig into the deep details. This layout with simple images, even if you just pull away the map and anchor slides, makes the storytelling too much like a story, not giving enough credit to the speed at which certain audiences can and do process data on a slide. It was an interesting exercise and I still think this linear layout works in some cases. Just not if you are trying to communicate business case or other C-suite type of information.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2021
P
Verified Purchase
Pen Name
Carnegie, US
★★★★★ 5
Excellent AI security book
Format: Paperback
A necessary book for those who in work in the AI Security field. It is easy to read and easy to follow along with practice labs. The author did a good job incorporating the breadth of AI threats.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2026
T
Verified Purchase
TheTechGuyz
Lexington, US
★★★★★ 5
A good book for Cyber Professionals
Format: Paperback
A very good book, I absolutely love how it gives security professionals much needed AI security insights.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
S
Verified Purchase
Steve Wilson
Cuba, US
★★★★★ 5
In-depth and highly technical!
Format: Paperback
"Adversarial AI Attacks, Mitigations, and Defense Strategies" by John Sotiropoulos is a must-have resource for cybersecurity professionals navigating the complexities of AI security. This book is an incredibly in-depth guide that tackles the intricate details of defending AI systems from adversarial attacks. It’s highly technical, making it an excellent choice for those with a solid background in cybersecurity, machine learning, and system administration. Sotiropoulos doesn’t shy away from the details, providing comprehensive code examples, system admin settings, and scripts that are invaluable for practical implementation. One of the standout aspects of this book is its coverage of both predictive and generative AI. This dual focus ensures that readers are well-equipped to handle security challenges across different AI applications. Whether you're dealing with machine learning models in a predictive context or exploring the relatively newer field of generative AI, this book has you covered. If you’re looking for a technical, hands-on approach to securing AI systems, this book is an essential addition to your library.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2024
N
Verified Purchase
Niti Sharma
Dallas, US
★★★★★ 4
Good and thorough!
Format: Paperback
I was amazed to see a thick book arriving in the package and spent quite some time reading this. The book is so hands-on. I build agentic systems at work and going through these concepts felt good. My only complaint is that the code snippets are not up to date for which I had to edit my code several times.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026

recommand products