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Description
Piston Set by JE - 77.50mm +.50mm Oversize Bore | 8.3:1 CR | Stroke 85.8mm - MINI Cooper S 2002-2008NOTE: 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. 051 Bore (mm) 77. 5 Top Compression Ring Thickness 0. 0480 Second Compression Ring Thickness 0. 0480 Oil Ring Thickness 0. 141 Forging Type Round Volume (cc) 1. 00 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) 3.051
Bore (mm) 77.5
Top Compression Ring Thickness 0.0480
Second Compression Ring Thickness 0.0480
Oil Ring Thickness 0.141
Forging Type Round
Volume (cc) -1.00
Series JE Pistons
Piston Head Type Inv Dome/Dish
Pin Diameter (IN) 0.827
Compression Height 1.043
Make MINI
Wrist Pin Style - floating or press fit Floating
Wall Type CHAMFERED
Wall Thickness (IN) 0.150
Ringset Part Number JG0004-3051
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 312425S
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 243
Pin Offset No
Pin Brand JE Pistons
Pin Part Number 827-2250-15-51C
Pin Included Yes
Pin Diameter (mm) 21.00
Oil Rail Support Part Number (If Required) 3070-122
Oil Rail Support Included Yes
Oil Rail Radial Wall 0.122
Deck Clearance -0.110
Brand JE Pistons
OE Part # for standard sized piston:
11-25-7-520-131 / 11 25 7 520 131 / 11257520131
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
4.5 ★★★★★
Based on 1611 reviews
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Product Reviews
★★★★★ 1
Does not work
This product does not work very well. Also does not rub in easy and takes several days to get it off of you.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Caribbean approved sunscreen
we bought this sunscreen due to the fact that the Caribbean doesn’t allow other sunscreens that are not Reef safe. I’m usually not a fan of mineral sunscreen due to the fact that it leaves a white residue. This sunscreen still leaves a white residue, but it is a very minor white residue. It worked well for the pool on our cruise ship and for the ocean. I didn’t have to reapply as often as I thought I would have for a mineral sunscreen. I don’t know if I still feel that the product was worth the price/amount, but I was overall satisfied with the Protection it gave us.
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Reviewed in the United States on May 18, 2025
★★★★★ 5
Easy to handle
Style: Lawn Edger w/(1) 4.0 Ah Battery
This is fantastic. It was a breeze to put together, the battery lasts a good 45 minutes or more, it is easy to handle, and does a terrific job of edging the concrete driveway. the roadside curb, and the borders of my flower beds. It is not too heavy and has loads of power. I am a 5'1" woman 81 years old and this tool is very easy for me to use and carry. The size is not too long even for me to maneuver. It is easy to lean if you get clumps of dirt in the housing for the blade and it is adjustable to suit the depth needed at the time. It seems very well made. The price was reasonable and I think we may be friends for quite a whole.
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Reviewed in the United States on July 29, 2025
★★★★★ 5
Right tool for the money
Style: Lawn Edger w/(1) 4.0 Ah Battery
Very impressed with this WORX Cordless Lawn Edger. My driveway have never been edged in over 30 years, this edger handled the job with ease, made a pass at one inch and then two inches. My driveway is 80 feet long, after the two passes I was left with one bar of battery power, great tool for the price. I would definitely recommend this product to any home owner that maintains their own yard.
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Reviewed in the United States on May 5, 2026
★★★★★ 4
Great battery powered edger
Style: Lawn Edger w/(1) 4.0 Ah Battery
This edger works great love the guide for along sidewalks and curbside lawns. It is a little underpowered for really thick lawns battery goes down fairly fast on the thicker areas but all in all it’s great
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Reviewed in the United States on June 5, 2026