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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Piston Set By JE - 87.5mm +.50mm Oversize Bore | 12.5:1 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) 9. 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) 3.445
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) -9.20
Series JE Pistons
Piston Head Type Dome
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 297120S
Replaced By 289135
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 346
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
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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 2282 reviews
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Product Reviews
★★★★★ 5
Quality planner
Format: Book Supplement
Very nice planner, keeping planting and harvesting info at hand. Also appointments.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
I will buy this planner every year!
Format: Book Supplement
I had a 2025 Old Farmers Almanac Planner and loved it. I had to get the 2026. This planner is perfect for me. Shows the month at a glance, but then has the day pages where you can put plenty of notes!
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Reviewed in the United States on December 24, 2025
★★★★★ 4
A nice themed planner
Format: Book Supplement
Not a garden/farming planner. Just a regular planner with some Old Farmers Almanac rubbed on it. Really well made and nice looking but not really super special or helpful for farming or gardening.
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Reviewed in the United States on November 22, 2025
★★★★★ 5
Got one last year for the first time and I'm hooked!
Format: Book Supplement
I love this planner. And the calendar. I want very specific things in my planner and this checks all the boxes. Very detailed. Love all of the daily facts. Got one last year for the first time and I'm hooked!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Great Book
Format: Book Supplement
Been buying this Planner since 2022. First year I bought it for myself. 2nd year myself & my bestie. 3rd year myself, bestie & another friend. I’m sure you get the idea. 😁 I keep up with daily weather predictions on the calendar page & daily activities, of any type, in the days of the week section. I can see when I planted a crop or when I SWR the bed (for those not in the know it means strip, wash & remake the bed). My youngest daughter got a real kick out of that one. Told her when I passed she could read them all & try to figure out what the heck I was talking about. *LOL* Great book, beautiful renderings & interesting tips & notations.
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Reviewed in the United States on January 4, 2026