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Description
Piston Set By JE - 87.5mm +.50mm Oversize Bore | 11.5:1 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. 445 Bore (mm) 87. 5 Top Compression Ring Thickness 0. 0400 Second Compression Ring Thickness 0. 0480 Oil Ring Thickness 0. 111 Forging Type FSR Volume (cc) 13. 80 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) 3.445
Bore (mm) 87.5
Top Compression Ring Thickness 0.0400
Second Compression Ring Thickness 0.0480
Oil Ring Thickness 0.111
Forging Type FSR
Volume (cc) -13.80
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 JG1001-3445
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 297118S
Replaced By 289133
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 332
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
4.8 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Great purse
Size: One Size, Color: Black
Beautiful purse
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Reviewed in the United States on May 26, 2026
★★★★★ 5
You're Gonna Love This Purse!!
Size: One Size, Color: Black
A beautifully made purse that is a perfect size for night or day. Metal features are lovely and I really like the option of a hand held bag or a shoulder bag. It is not what I would call a LARGE bag despite the product description.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Perfect size
Size: One Size, Color: Gold-tone Hardware/Vanilla, Size: One Size, Color: Gold-tone Hardware/Vanilla
The most beautiful purse!
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Makes a beautiful gift
Size: One Size, Color: Gold-tone Hardware/Vanilla
Very nice ‘ I bought it for my friend’ she loved it
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Quality bag for a good price
Size: One Size, Color: Luggage
A very good bag for a special price! I’ve another one bought before and it’s so durable I’ve to get this bag. It’s authentic and so easy to carry with a style!
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Reviewed in the United States on February 25, 2026