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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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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
- 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
4.2 ★★★★★
Based on 1662 reviews
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Product Reviews
★★★★★ 5
My dog LOVES this
Style: Goal Post Chew Toy, Color: Dallas Cowboys
I originally purchased 1 of these at Walmart. My dog did his thing with it and loved it so much that I had to repurchase another one through Amazon. My dog LOVES THIS TOY! It's his favorite!
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Reviewed in the United States on January 7, 2026
★★★★★ 5
Great toy
Style: Goal Post Chew Toy, Color: Dallas Cowboys
My dog loves it and has is quickly becoming her fav toy. I love how sturdy it for my power chewer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
★★★★★ 5
It's Pittsburgh Steelers!!
Style: Goal Post Chew Toy, Color: PITTSBURGH STEELERS
I ordered it for our "Grandpups"! My daughter says it's tuff & strong but at the same time it gives enough for the dogs to bite down on it. They love it!! I ordered it along with a few Steeler bandanas!
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Reviewed in the United States on March 15, 2026
★★★★★ 3
Not for the serious chewers
Style: Goal Post Chew Toy, Color: NEW ENGLAND PATRIOTS
Great novelty dog toy but if your dog is a real chewer like my Frenchie is, he had this turned this into a weapon in a matter of a week. The chewed up plastic was super sharp! But other than that, Go Pats!
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Reviewed in the United States on October 9, 2025
★★★★★ 5
Buy it!!
Style: Goal Post Chew Toy, Color: Dallas Cowboys
It quickly became my guy's dog's favorite toy. Sturdy, cute, and affordable. I ordered another one
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Reviewed in the United States on January 5, 2026