SKU: 45466435123

Ironman Unsprung Clutch Kit for Subaru WRX STI 2004-2021 2.5L DOHC (EJ257) Turbo AWD

Sale price$314.98 Regular price$349.98
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Description

Ironman Unsprung Clutch Kit for Subaru WRX STI 2004-2021 2.5L DOHC (EJ257) Turbo AWDThe Action Clutch Ironman Unsprung kit is engineered specifically for dedicated high powered race vehicles, delivering durability and reliable performance. It features our American Sintered Iron friction material with our Dual clamp load heavy duty pressure plate that ensures maximum torque holding capacity. The clutch engagement is aggressive with an on off feel, without introducing clutch chatter. Some light engagement noise and gear rattle may be

The Action Clutch Ironman Unsprung kit is engineered specifically for dedicated high powered race vehicles, delivering durability and reliable performance. It features our American Sintered Iron friction material with our Dual clamp load heavy-duty pressure plate that ensures maximum torque holding capacity. The clutch engagement is aggressive with an on/off feel, without introducing clutch chatter. Some light engagement noise and gear rattle may be experienced during operation due to the nature of the product. No compromises are made in this kit, ensuring optimal performance even under extreme conditions. This kit is not intended for street use and should only be used in race applications.

At Action Clutch, every kit is quality checked by one of our experienced engineers (with over 60 years of collective experience) and signed off as safe before being released as a finished product. This gives you peace of mind knowing that your Action Clutch will perform consistently every time.

NOTE: Purchasing the wrong type of clutch kit for your specific engine power output can result in premature clutch failure, damage to the transmission and void warranty eligibility. If you’re unsure what kit is right for you, contact Action Clutch direct.

250% INCREASED HOLDING CAPACITY OVER FACTORY KIT*
SPECIFICALLY ENGINEERED FOR TRACK USE APPLICATIONS ONLY

Specifications

Product Type Ironman Unsprung Clutch Kit
Product Weight (lbs)
SFI 1.1
 
What’s Included
  • Unsprung American Sintered Iron Disc
  • Dual Clamp Load HD Pressure Plate
  • Pilot Bearing / Bushing (when applicable)
  • Clutch Alignment Tool
  • Conventional Release Bearing

Break-in Requirements
500 street miles / Keep RPM’s under 4500, no more than half-throttle, no boost (if applicable).
Proper break-in is required in order to retain product warranty, ensure longevity and holding capacity.

Disclaimers
Using a clutch kit with an unsprung clutch disc on a stock or lightly modified power engine that is daily/street driven vehicle can break the rivets on the clutch disc hub. Unsprung clutch kits are not designed for daily/street use or any constant on/off engagement environment. This can be compared to running a marathon in sandals vs a proper running shoe. If you were to run the marathon ins sandals, you have no cushion or comfort and can cause injuries or wear you down faster than using proper running shoes.

*Increase in holding capacity is rated in Crank Torque, not Wheel Torque




SFI Spec 1.1 Replacement Flywheels and Clutch Assemblies

California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. 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: 45466435123

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Sunset Slacker
Omaha, US
★★★★★ 5
Wonderful depiction of the city & finding gratitude
Format: Hardcover
I bought this book after moving my young family from SF to a very homogeneous suburb. Rode MUNI with my kids & at the time didn’t realize how diversity is taught passively when it’s all around you. Fast forward, my kiddo makes a comment in preschool that shocks me & realize that she’s now in such a bubble. This book is clearly nostalgic for me, but for my kids it’s a chance to talk about all the different lives people live. A chance to talk about race, culture, homelessness, privilege (riding the bus instead of a car, not having a music player), people with disabilities, etc. To those who choose to post about the grammar In this book, good authors work very hard on depicting dialects, which are 100% a part of one’s culture. Take the opportunity to discuss the diversity that exists in language too. My goodness, white people from Boston add & delete Rs like crazy (Cubar instead of Cuba, ca’ instead of car). 🙃
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Reviewed in the United States on August 5, 2020
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me
Houston, US
★★★★★ 5
Great story and wonderful pictures
I’ve been trying to find books my son (6) would enjoy reading. He's asked me to read this one to him every night for like a week now. It’s a sweet story and the illustrations are beautiful. I’m really glad I bought it.
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Reviewed in the United States on September 3, 2025
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Del Mar
Omaha, US
★★★★★ 4
nice but not preschool
Format: Hardcover
nice but not for preschool, perhaps older children to really understand the content
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Reviewed in the United States on December 30, 2025
K
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Kindle Customer
Grantham, US
★★★★★ 5
Award Winning Teaching Book
Format: Hardcover
This story has a lovely story that is a great teaching moment for young children. I enjoyed the illustrations and I find these stories about real life situations of other people in other circumstances other than your own offer great teaching moments for the young readers....Recommend you read it to your young children and it gives you a good opportunity to explain to your children that even those who have much less than you do....but, have love and family are wealthy in their own way....and to express all types of families exist and are all just as important and your individual family is to you. Important that they are getting more books out that offer important lessons about life to young people...to grow their empathy for others...and caring feelings for others from a young age. Recommend
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Reviewed in the United States on March 12, 2021
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zakiya worthey
Massapequa, US
★★★★★ 5
A great buy
Format: Paperback
Great quality & well bound. Much better quality pages than expected, better than a lot of my trades.
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Reviewed in the United States on January 7, 2026

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