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Description
NISMO SUPER COPPER MIX HIGH PWR For Cefiro A31 RB20DET 3000S-RSR25-H1Brand NISMO Series Name SUPER COPPER MIX HIGH PWR Product Descriptions The strongest single clutch: one that can handle the 420ps, SR20DET engine but is still easy to operate. This was the development concept for the SUPER COPPERMIX. Features Allowable dynamic friction torque: 54kgfm(static friction torque: 81kgfm) Handles an estimated maximum allowable power of 420ps This is a single clutch system that takes the ease of use and high power handling
| Brand | NISMO |
| Series Name | SUPER COPPER MIX HIGH PWR |
| Product Descriptions | The strongest single clutch: one that can handle the 420ps, SR20DET engine but is still easy to operate. This was the development concept for the SUPER COPPERMIX. Features Allowable dynamic friction torque: 54kgf・m(static friction torque: 81kgf・m) Handles an estimated maximum allowable power of 420ps This is a single clutch system that takes “the ease of use” and “high power handling” fortes of COPPERMIX to the next level. This series also includes a lineup of standard specification products that can handle 380ps. measurements for NISMO standards are fixed with an SR20DET engine tuned to high-power specifications Employs the industry's first large-diameter 240size disc The 240size COPPERMIX disc togeter with an aluminum cover maintain stable transmission and cooling performance. After an analysis conducted by NISMO of several different models,including those of other companies, it was decided that using a 240 size disc would preventthe drop in performance that occurs when a small diameter disc is placed under a high load. High power single clutches from other companies combine a pressure cover with a small diameter disc probably because they just divert a disc from their multi-plate clutch and set it at a high load. NISMO specifically chose a 240 diameter to get maximum durability and ease of use. Lightweight Flywheel A lightweight flywheel was manufactured from chrome-molybdenum to obtain the ideal weight to ensure torque. Aluminum Cover The flywheel is provided with a special aluminum cover with exceptional heatradiating properties. Center Plate with Strap Function The center plate is equipped with a special strap function*1 that backs up smooth gear disengagement by preventing blockage. This mechanism incites the pressure plate inside the cover to disengage from the disc using the force exerted by the strap plate. It has become part of the standard installation for all NISSAN vehicles with manual transmissions. Kit contents · Copper mix clutch disc · Aluminum clutch cover · Light weight flywheel · Flywheel bolt · Release bearing (Nissan genuine parts) · Sticker Allowable torque N・m (kgf・m) Kinetic friction: 530 (54), Allowable torque N・m (kgf・m) Kinetic friction: 530 (54), Allowable output kW (ps): 309 (420), Clutch cover Pressure N (kgf): 9807 (1000), Type: Push |
| Product Number | 3000S-RSR25-H1 |
| Compatible Vehicle | Cefiro A31 |
| Engine | RB20DET |
| Remark | Since the sports clutch disc and the lightweight flywheel are designed and manufactured for the purpose of improving the clutch response, improvement of the correspondence output, etc., the resonance sound "Rattling sound" generated from the transmission and the bearing compared with the genuine Nissan product It may be easy to communicate. Gear noise may occur from the transmission etc. especially during idling and acceleration / deceleration from around 2000 rpm, but there is no problem in terms of quality and performance. Please note. Do not use the set with Big Operating Cylinder as it may cause cutting failure due to insufficient stroke volume. |
| Notes | Images are for illustration purpose only. Actual product may vary. |
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4.8 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Exactly as described
Size: Crescent Queen
This pillow cover is everything they said it would be. Comfortable, no crinkle sound. Fits the pillow like a glove. I highly recommend.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Great for side sleepers
It always seems hard to find the perfect pillow when you’re a side-sleeper. This one is great. It comes compressed so you will want to allow some time for it to fully fluff back up. The cover is soft and smooth. I love that it isn’t overstuffed. It provides gentle support and a lot of comfort. I was worried it may be too warm since it is polyester, but it is very breathable and I have not had any issues with feeling overly warm on it. It fits a standard size pillow case. It’s not overly stuffed like some other pillows I’ve tried that were specifically for side-sleepers. I think this world be a great pillow for any sleeping position, really. I wasn’t expecting to love a pillow this affordable, but it gets the job done and I get a good night of sleep. I’ll be purchasing some more for our guest room.
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Reviewed in the United States on May 10, 2025
★★★★★ 5
Incredibly Comfortable and Supportive — My New Favorite Pillow！
I wasn’t expecting to love this pillow as much as I do, but the DIORIS large sleeping pillow really exceeded my expectations. From the first night, I noticed a difference in the way my neck and shoulders felt in the morning—less tension, better alignment, and overall more restful sleep.
The fill is just the right balance between plush and supportive. It doesn’t flatten out during the night, which is a problem I’ve had with other pillows, especially those that come overstuffed or too soft. This one holds its shape well but still has that cozy, cloud-like feel when you lay your head on it.
I’m a side and back sleeper, and this pillow works beautifully in both positions. It’s also large enough that I don’t feel like I’m falling off it during the night, but not so big that it takes over the whole bed.
One suggestion: if you’re picky about loft, you might want to give it a gentle fluff or adjust the fill before your first night. But honestly, I didn’t need to do much—it was pretty much perfect out of the bag.
Highly recommended if you're looking for a high-quality, comfortable, and generously sized pillow that supports a great night’s sleep!
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Reviewed in the United States on May 9, 2025
★★★★★ 5
Hotel like pillow
These pillows were a pleasant surprise. I bought the set for our guest room but ended up keeping them for our own bed after trying them out. They feel incredibly soft yet still provide enough support to keep my neck from feeling stiff in the morning. I sleep on my side and back, and these work great for both positions. My spouse, who usually runs hot at night, said they stayed cool and breathable.
The material feels high quality, and I love that they’re machine washable without losing their shape. They fluffed right back up after drying. If you're looking for that plush hotel-pillow feel with everyday practicality, this set really delivers.
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Reviewed in the United States on May 15, 2025
★★★★★ 4
Very soft, not firm at all
This pillow is very floppy and not firm at all. It is quite large and I was surprised at the size. My dog has taken a liking to it and decided it's now her new dig bed, which is fine by me, because it's really too soft for my liking. If you like soft pillows then this is for you. If you require something with a bit more support then you won't enjoy this pillow.
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Reviewed in the United States on May 11, 2025