SKU: 12360404826

Piston Set by JE - 77mm Standard Bore | 8.3:1 CR | Stroke 85.8mm - MINI Cooper S 2002-2008

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Description

Piston Set by JE - 77mm Standard 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. 031 Bore (mm) 77. Top Compression Ring Thickness 0. 0400 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) 3.031
Bore (mm) 77.
Top Compression Ring Thickness 0.0400
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 XC7700
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 312423S
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 238
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) 3040-122
Oil Rail Support Included Yes
Oil Rail Radial Wall 0.122
Deck Clearance -0.110
Brand JE Pistons


OE Part # 11-25-7-520-131 / 11 25 7 520 131 / 11257520131


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Exchange/Return Notes
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SKU: 12360404826

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Matthew Hassler
Los Angeles, US
★★★★★ 5
Highly recommend
Great value and works well. Good molecules is an affordable brand that uses fewer harmful chemicals and I am a believer in this product. The sunscreen works well and does not leave a greasy residue.
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Reviewed in the United States on May 25, 2026
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zack kurz
Port Orchard, US
★★★★★ 5
Clean product!
Does not leave white residue, but feels light and moisturizing. Very few clean products containing spf, this one rates high on Yuka.
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Reviewed in the United States on May 26, 2026
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Mrs. Jackson
Lexington, US
★★★★★ 5
Great product
Feels like a moisturizer cream and has very little of that oily feel. Applied it and then ran 5 miles. Coverage was great.
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Reviewed in the United States on June 2, 2026
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Della
Dallas, US
★★★★★ 5
No white cast once rubbed in
This works amazing with my skincare routine. I have dry skin and it doesn't leave a white cast at all, doesn't cling to my dry flakes. Best sunscreen I have found for the price.
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Reviewed in the United States on April 8, 2026
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SmallP10
Lowell, US
★★★★★ 1
residue
It says no white cast but there definitely is a white residue left behind. I have tried it in different occasions and ever time my face is left with a white hue and it does not absorb properly; had to wash my face with soap and use a different sunscreen for the day
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Reviewed in the United States on May 19, 2026

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