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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Piston Set by JE - 86.5mm +.50mm Oversize Bore | 9.0:1 CR | Stock Stroke - 85.8mm - S50 BMW M3NOTE: Image shown not actual parts. JE Pistons is the leader in forged racing pistons. With 70 plus years of experience, in house forging, and industry leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports. Bore (in) 3. 406 Bore (mm) 86. 5 Top Compression Ring Thickness 0. 0400 Second Compression Ring Thickness 0. 0480 Oil Ring Thickness 0. 111 Forging Type FSR Volume (cc) 24. 20 Series JE Pistons Piston
NOTE: Image shown not actual parts.JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports.
Bore (in) 3.406
Bore (mm) 86.5
Top Compression Ring Thickness 0.0400
Second Compression Ring Thickness 0.0480
Oil Ring Thickness 0.111
Forging Type FSR
Volume (cc) -24.20
Series JE Pistons
Piston Head Type Inv Dome/Dish
Pin Diameter (IN) 0.866
Compression Height 1.291
Make BMW
Wrist Pin Style - floating or press fit Floating
Wall Type CHAMFERED
Wall Thickness (IN) 0.150
Ringset Part Number JG1001-3405
Ring Brand ProSeal
Ringset Included Yes
Retainer Thickness 0.063
Retainer Lock Style Wire Lock
Retainer Lock Part Number 866-063-MW
Retainer Diameter (IN) 0.866
Replacement Single Piston 297180S
Replaced By 288917
Piston Pin Inside Diameter 0.566
Piston Pin Material 5115 LOW CARBON STEEL, CASE HARDENED
Piston Material 2618
Piston Pin Length (IN) 2.250
Piston Avg Wt 301
Pin Offset Yes
Pin Brand JE Pistons
Pin Part Number 866-2250-15-51C
Pin Included Yes
Pin Diameter (mm) 22.00
Oil Rail Support Included No
Deck Clearance 0.030
Brand JE Pistons
OE Part #: 11-25-1-404-961 / 11 25 1 404 961 / 11251404961
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.7 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Love these
Size: 6 Pairs - 6 Colors Assorted
These are fantastic if you want a 'foot mask on the go'. They fit easy, the colors are great, and they work! I used them after putting on moisturizer and my heels were smooth and looked great in sandals after! No cracks or dry patches!
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Reviewed in the United States on May 25, 2026
★★★★★ 4
These really work.
Size: 6 Pairs - 6 Colors Assorted
Very pleased with these. They really work, especially if using a pumice in the morning after removing them, makes it really easy to remove dead skin. They are very soft and reasonably comfortable so it’s not an issue during sleep. Not really a fan of the rose scent but that’s not too strong and dissipates after a few days. These wash well. It would be nice if the hem seam at the front end was finished the same way as the ankle end. This is very nice and flat, the one at the front has a bit of a protruding roll. Altogether, these are worth it. They do the job, are comfortable, and a good value.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
A must for dry cracked heels.
Size: 6 Pairs - 6 Colors Assorted
I have to keep on top of my feet because the bottom of my heels get really dry. I have to soak them every 2 weeks so they don't look like horse hooves. With the spring and summer coming, the feet get drier , flip flops and sandals or any shoes without shocks really make them feel worse. These REALLY help maintain my soles beautiful and cushiony. I love to be barefoot around the house and these give the the feel of barefeet and the comfort of a sock on the heel. At night i always put lotion on my feet but can't sleep with socks because i overheat, these i can put my lotion and then a little urea stick on the heel and put them on and sleep like a baby.
These need to be hanwashed and air dried to preserve the integrity of the gel on the sock. Just be aware of that. Fit wise i am a 7.5 on the wider side and these fit very well without being tight anywhere. I also put these on with flip flops and they look great and feel better too.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
definitely recommend these to anyone who’s struggling with rough dry heels
Size: 6 Pairs - 6 Colors Assorted
I was pleasantly surprised by the effectiveness of these socks. They feature a soft gel-lined interior that helps absorb intense moisture from my dry heels. After wearing them for a couple of nights, I noticed a significant improvement in the texture and appearance of my heels. These socks stay in place while sleeping and don’t slip off. Additionally, I appreciate that they are reusable and can be washed.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Really works!
Size: 6 Pairs - 6 Colors Assorted
This is a true moisturizer sock that actually works to heal and nourish dry heels. You will definitely see a difference within the first 2 hours! The only thing for me is the scent is over bearing and too strong if your sensitive to smell. Let me know when a scentless sock are made and I'm there! 5 stars because the socks truly works.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
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