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| Technical details | Value |
|---|---|
| JE Catalog Number | JE-380157 |
| Additional information | T, UL |
| Bore – Actual dimension | 82.75 mm |
| Bore – Oversize | 0.25 mm |
| Design | Made to order |
| Compression height | 29.40 mm |
| Compression ratio – Actual | 9.5:1 |
| Piston bowl volume | -7.80 cm³ |
| Package height | 178.00 mm |
| Package length | 333.00 mm |
| Package weight | 4052,00 g |
| Package width | 328.00 mm |
| Piston pin diameter | 23.00 mm |
| Piston ring set included | JG1201-3268 |
| Manufacturer | Volkswagen/Audi |
| Model | 2.5L 20V – EA855 EVO |
| Year of construction: Start | 1950 |
| Year of manufacture: End | 9999 |
For decades, JE Pistons has been synonymous worldwide with top quality in the field of high-performance pistons. Founded in the U.S. and deeply rooted in motorsports, JE pistons have earned a legendary reputation for uncompromising durability, precision manufacturing, and maximum power output—whether on the street, the racetrack, or in drag racing.
Every JE piston is made from high-strength forged material and manufactured using state-of-the-art production facilities. Precision CNC machining, rigorous quality controls, and innovative technologies such as Perfect Skirt® coatings and Optimized Forging Designs ensure the highest levels of fit, efficiency, and durability.
Benefits at a glance:
Motorsport-grade forged pistons
The highest standards of materials and workmanship
Strict quality controls for absolute reliability
Designed for extreme loads and high speeds
Ideal for tuning, motorsports, and performance-optimized production engines
Includes a matching ring set
When you choose JE Pistons, you’re choosing a component that’s used in top racing series around the world and also performs exceptionally well in demanding road conditions.
JE Pistons – when only the best is good enough.
Unless otherwise indicated, all articles and services are racing articles without guarantee / warranty and without STVO approval.
The same applies to modifications made to the vehicle. The performance figures provided are averages based on ARAL 102 OCTANE fuel; they may vary depending on the use of lower-quality fuel or wear and tear on the vehicle.
No acceleration times are guaranteed. Using the wrong type of fuel at a later date may cause damage to the vehicle. No warranty or guarantee is provided for this!
HPerformance assumes no liability for mobility guarantees or costs incurred during the modification period, nor for any resulting delays.
Scheduled timeframes are not binding and may vary as needed.
All services are custom-made and one-of-a-kind products that are excluded from the statutory right of return.
No warranty is provided for products that are not installed in a specialized workshop by trained professionals.
Work on motor vehicles may only be performed by trained professionals. Installation errors can lead not only to product malfunctions but also to dangerous technical and, in some cases, legal consequences for the vehicle.
Therefore, please have all modifications performed by a certified automotive repair shop affiliated with the trade guild.
If installation instructions for a product are not available for download in the online store, they are not available.
- Installation advice or instructions are not provided over the phone.
If vehicles have been modified previously, additional costs may apply. Please note that our TÜV-approved/registrable products are not necessarily compatible with products from other manufacturers for registration purposes ! Please verify in advance whether any hardware components you have already installed—that are not from HPerformance—can be registered as TÜV-compliant when used with our products!
Discoloration occurs on the silencers, pipe and tailpipe of all exhaust system components during operation. These are material-related changes that are not covered by the warranty/guarantee of the item and have no negative effect on the use or technical properties of the item.
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