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Description
AR1-HDG4 - HD/Race Sprung 4 PadHD Race Sprung 4 Pad Clutch Kit Specifications: Item Description: HD Race Sprung 4 Pad Product Weight (lbs.): 11. 2 Torque Capacity (ft lbs.): 330 Torque Capacity Over OE: 73% Disc Material: Ceramic Clutch Disc Diameter (Inches): 8. 4 Clutch Disc Diameter (Millimeters): 214 Input Shaft Diameter (inches): 1. 03125 Pressure Plate Type: Heavy Duty Warranty: 12 MonthsDescription: The AR1 HDG4 kit features ACT's most popular Heavy Duty pressure plate. ACT
� HD/Race Sprung 4 Pad Clutch Kit �Specifications:
- Item Description: HD/Race Sprung 4 Pad
- Product Weight (lbs.): 11.2
- Torque Capacity (ft/lbs.): 330
- Torque Capacity Over OE: 73%
- Disc Material: Ceramic
- Clutch Disc Diameter (Inches): 8.4
- Clutch Disc Diameter (Millimeters): 214
- Input Shaft Diameter (inches): 1.03125
- Pressure Plate Type: Heavy Duty
- Warranty: 12 Months
Description:
The AR1-HDG4 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 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even 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 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT's 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines.
Features:
- 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
Vehicle Fitment:
- Fitment Info: Application - Engine
| 2002 Acura RSX Base | 2.0 L4 GAS FI 1998cc |
| 2002 Acura RSX Type-S | 2.0 L4 GAS FI 1998cc |
| 2002 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2002 Honda Civic SiR | 2.0 L4 GAS FI 1998cc |
| 2003 Acura RSX Base | 2.0 L4 GAS FI 1998cc |
| 2003 Acura RSX Type-S | 2.0 L4 GAS FI 1998cc |
| 2003 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2003 Honda Civic SiR | 2.0 L4 GAS FI 1998cc |
| 2004 Acura RSX Base | 2.0 L4 GAS FI 1998cc |
| 2004 Acura RSX Type-S | 2.0 L4 GAS FI 1998cc |
| 2004 Acura TSX Base | 2.4 L4 GAS FI 2354cc |
| 2004 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2004 Honda Civic SiR | 2.0 L4 GAS FI 1998cc |
| 2005 Acura RSX Base | 2.0 L4 GAS FI 1998cc |
| 2005 Acura RSX Type-S | 2.0 L4 GAS FI 1998cc |
| 2005 Acura TSX Base | 2.4 L4 GAS FI 2354cc |
| 2005 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2006 Acura RSX Base | 2.0 L4 GAS FI 1998cc |
| 2006 Acura RSX Type-S | 2.0 L4 GAS FI 1998cc |
| 2006 Acura TSX Base | 2.4 L4 GAS FI 2354cc |
| 2006 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2007 Acura TSX Base | 2.4 L4 GAS FI 2354cc |
| 2007 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2008 Acura TSX Base | 2.4 L4 GAS FI 2354cc |
| 2008 Honda Civic MUGEN Si | 2.0 L4 GAS FI 1998cc |
| 2008 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2009 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2010 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
| 2011 Honda Civic Si | 2.0 L4 GAS FI 1998cc |
PROP 65 WARNING:
This product can expose you to chemicals including carbon black, glass wool fibers, and silica (in clutch discs), chromium and nickel, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov
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4.0 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
a book that needed to be written!
Format: Kindle
Force of Nature is a wonderful book that needed to be written. A true -life adventure story that conveys the physical and emotional journey of a woman in her 50s who goes on a hike few dare try. The writing is incredibly sensory—full of everything she sees, feels, tastes and smells out in the wild. It’s a story of frustration and achievement, of triumphing over internal anxiousness and very real dangers and climbs. Beautiful writing, full of hope, great for book clubs and as a gift for nature-lovers. Hit the trail with Force of Nature!
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Reviewed in the United States on May 10, 2026
★★★★★ 4
Enjoyable, entertaining, engrossing
Format: Kindle
The Three Women, their JMT trail name, is a delightful read. You experience the beauty of nature and the wonders seen in the trail. You also experience the fear and anxiety that come with making such a trek. The bonds of friendship and support between the three and also all the other through hikers. An amazing read, the perfect balance of nature, friendship, compassion, struggle, and determination. Immerse yourself in this well written book.
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Reviewed in the United States on April 23, 2024
★★★★★ 5
An epic adventure, page after page!
Format: Paperback
Many women dream of making this hike (I once did) but few lace up their boots and get on the trail. And even a tiny fraction of those who DO realize their goal, could capture the experience like Joan Griffin. I read several chapters a night and always looked forward to getting back on the trail with her from my rocking chair.
The grandeur of the sights, the wonder of seeing the world well above 8,000 feet ~ for 27 days ~ reads like a personal diary. Every perspective, high and low, is captured: the practical issues of carrying on even with a twisted ankle on Day 1, then blisters, surviving sudden weather changes, confronting inner doubts, securing essential food and water, and losing the camera enrich the book in an authentic style.
In between all this, the reader remembers that it all took place with 40 pound backpacks on their backs!
It's a magical but real-life journey with the inevitable personality differences of the Three Women, as well as their uniquely personal reasons to hike. As the brave heroes arrive to the finish line, one is aware of the power of grace that accompanied them all along.
Yes, this experience changed the hikers but it also changes the reader. Being aware of those who live curiously and courageously provides a kind of encouragement for us to do the same, even after age 50.
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Reviewed in the United States on October 12, 2024
★★★★★ 5
Inspirational Read
Format: Paperback, Format: Paperback
Griffin, J. M. (2023). Force of nature: Three women tackle the John Muir Trail. Black Rose Writing.
Joan Griffin loves exploring and lives in the Northern California foothills of the Sierra Nevada.
Five legs, 27 days, 195.9 miles, this is a memoir of three 50+ women hiking the John Muir Trail located in the Sierra Nevada Mountain range. Each day receives its own chapter providing a vivid description of the trail, challenges, and beauty. Walking created an "unpredictable reality," that was "bigger in every conceivable way than [her] imagination could have conjured." As you read through the story, you are transported to the trail, so vivid her recollections and descriptions of their experiences. She wore a necklace with the words strength, courage, and spirit; a mantra that served her well along the journey. Griffin found: "I found my very soul had acclimated to the natural world, and I was completely in tune with the Earth and the sky and the water surrounding me." Such an inspiring memoir!
This would be a good read for 50+ women who need a good dose of inspiration, those who like travel memoirs, and those interested in long-haul walking.
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Reviewed in the United States on October 23, 2024
★★★★★ 5
Arm chair traveling on a cold winter retreat
Format: Paperback
This was the perfect book to get me back into reading! I’ve happily filled my evenings, transported to the John Muir Trail traveled by The Three Women. Your descriptions of such an immense beauty and reflections of your personal journey were at times like being on the trail with you all!
An inspirational read!
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Reviewed in the United States on December 29, 2025