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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Piston Set By JE - 87mm Standard Bore | 9.0:1 CR | Stock Stroke 91mm - BMW S54NOTE: 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. 425 Bore (mm) 87. Top Compression Ring Thickness 0. 0400 Second Compression Ring Thickness 0. 0480 Oil Ring Thickness 0. 111 Forging Type FSR Volume (cc) 29. 30 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) 3.425
Bore (mm) 87.
Top Compression Ring Thickness 0.0400
Second Compression Ring Thickness 0.0480
Oil Ring Thickness 0.111
Forging Type FSR
Volume (cc) -29.30
Series JE Pistons
Piston Head Type Inv Dome/Dish
Pin Diameter (IN) 0.827
Compression Height 1.271
Make BMW
Wrist Pin Style - floating or press fit Floating
Wall Type CHAMFERED
Wall Thickness (IN) 0.150
Ringset Part Number JG1001-3425
Ring Brand ProSeal
Ringset Included Yes
Retainer Thickness 0.063
Retainer Lock Style Wire Lock
Retainer Lock Part Number 827-063-MW
Retainer Diameter (IN) 0.827
Replacement Single Piston 297115S
Replaced By 289130
Piston Pin Inside Diameter 0.527
Piston Pin Material 5115 LOW CARBON STEEL, CASE HARDENED
Piston Material 2618
Piston Pin Length (IN) 2.250
Piston Avg Wt 305
Pin Offset Yes
Pin Brand JE Pistons
Pin Part Number 827-2250-15-51C
Pin Included Yes
Pin Diameter (mm) 21.00
Oil Rail Support Included No
Deck Clearance -0.008
Brand JE Pistons
OE Part #: 11-25-7-834-017 / 11 25 7 834 017 / 11257834017
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 298 reviews
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Product Reviews
★★★★★ 5
KONG Tug Toy
This tug toy is decent but not amazing. It’s sturdy enough for light play, but it doesn’t hold up as well as other KONG toys we’ve used. My dog enjoyed it, but the material started to wear faster than expected, and it didn’t feel as durable as the usual KONG quality. It’s fine for occasional tug sessions, but not the best choice for strong pullers or heavy chewers.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Best toy for a puppy who loves tug-o-war
My puppy (lab/shepherd) went nuts for this toy. She loves to play tug-o-war. This is so durable and the grip handles on the end totally help you out. She loves to bit in the middle and will whip it at you to get you to engage with her. The size is perfect for her and the KONG material must feel good for her.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
GREAT DOG TOY INDESTRUCTIBLE!
Best dog toy yet! My large breed year old pup is very hard on toys and this one stands up to the wild playing and chewing! Excellent purchase I’ll definitely buy it again to have extras around and I’d definitely give it as a gift! Happy dog happy life!
GREAT PRODUCT
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Reviewed in the United States on January 23, 2026
★★★★★ 1
Kong didn't survive this guy.
He had it for an hour.. We played tug for around 10 minutes then he took it off and chewed it up.. I thought Kongs were tougher to chew up.. very dissapointed.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
One of the best dog toys we've found
This is one of my little girl's favorite toys. She's an aggressive chewer so at first we followed the manufacturers instructions not to let her use as a chew toy. It was purchased in January 2025, but it's holding up just fine. She likes to turn it into a pretzel for some reason, but hey it keeps her entertained! Highly recommend.
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Reviewed in the United States on May 3, 2026