JE PISTONS 245986 EJ257 PISTONS-99.50MM 1.209 21.20 8566

( Brand: Je Pistons ), ( Manufacturer Part Number: 245986 ), ( Items Included: Piston Rings, Wrist Pin, Wrist Pin Locks ), ( Piston Diameter: 99.5mm ), ( Material: Steel ), ( Vintage Part: No ), ( Type: Piston ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes )

Review JE PISTONS Subaru Series Pistons-99.50mm Bore 1.209 Inch Ch 21.20

JE Pistons 245986 for Subaru EJ257 - 99.50mm, 1.209 Compression Height, 21.20mm Wrist Pin, Part No. 8566

Experience unparalleled performance with the JE Pistons 245986 for Subaru EJ257 engines. These high-quality forged pistons are meticulously engineered to deliver exceptional power and reliability, making them an ideal choice for both street and track applications.

The JE Pistons 245986 features a 99.50mm piston crown diameter, which provides an optimal balance between power and efficiency for your Subaru EJ257 engine. The piston itself boasts a 1.209 compression height, ensuring optimal combustion pressure and efficiency. The piston's wrist pin diameter is 21.20mm, which aids in smooth transfer of force from the connecting rod to the piston.

These pistons are also equipped with JE's proprietary piston ring packages, including a top ring, second ring, and oil control ring. These rings are precision-manufactured to minimize friction and maximize ring seal, resulting in improved engine performance and longevity.

The JE Pistons 245986 for Subaru EJ257 engines are crafted from high-strength, forged 2618 alloy. This material offers superior strength and fatigue resistance, ensuring the pistons can withstand the rigors of high-performance applications. Each piston is then heat-treated to further enhance its strength and durability.

Lastly, the JE Pistons 245986 for Subaru EJ257 engines come with part number 8566. This ensures easy identification and compatibility with your engine, making your purchasing and installation process straightforward and hassle-free.

In summary, the JE Pistons 245986 for Subaru EJ257 engines are a high-performance upgrade designed to deliver increased power, efficiency, and reliability. With their meticulous engineering, high-quality materials, and precision manufacturing, these pistons are a smart investment for any Subaru EJ257 enthusiast seeking to elevate their engine's performance.

Analysis of Je Pistons 245986 Subaru EJ257 Pistons (99.50mm, 1.209, 21.20, 8566)

1. High-Quality Material: These pistons are made from forged aluminum alloy, which is known for its durability and resistance to heat. This ensures longevity and performance even under high-stress conditions.

2. Precision Design: The pistons are designed to fit perfectly into the EJ257 engine, ensuring a smooth and efficient operation. The 99.50mm bore size, 1.209 compression height, and 21.20 top land radius are all specific to this engine, ensuring a precise fit.

3. Enhanced Performance: The pistons have a 8566 weight, which, together with their design, can help increase horsepower and torque, potentially improving the overall performance of your Subaru.

4. Reputable Brand: Je Pistons is a well-known brand in the automotive industry, known for their high-quality parts.

1. Potential for Noise: As with any aftermarket performance part, these pistons may potentially cause more engine noise as they are designed to withstand higher stress levels.

2. Installation Complexity: Installing aftermarket pistons can be a complex process that requires specialized tools and knowledge. It may be best to have a professional handle the installation to ensure everything is done correctly.

3. Cost: Aftermarket performance parts like these pistons can be more expensive than OEM (Original Equipment Manufacturer) parts. However, the potential performance benefits may offset this cost for some users.

Conclusion: The Je Pistons 245986 Subaru EJ257 Pistons offer improved performance, durability, and precision, making them an attractive option for those seeking to enhance their Subaru's performance. However, they come with the potential for increased noise and the complexities of installation, and they may be more expensive than OEM parts. If you have the necessary knowledge, tools, and are willing to invest in performance, these pistons could be a good choice. If not, it might be more prudent to consider OEM parts or have a professional assess your needs.

Details:

part #: 245986 prices

• $699.00-$1107.87

specifications pistonringro:

• for makes: Subaru
• brand: Je Pistons
• mpn: 245986
• items included: Piston Rings, Wrist Pin, Wrist Pin Locks
• piston diameter: 99.5mm
• material: Steel
• vintage part: No
• type: Piston
• country/region of manufacture: United States
• performance part: Yes

general pistonringro:

• Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings
• condition: Used

offer pistonringro:

• options: Ship-to-home
• started: October 9, 2025
• quantity: 1
• availability: In Stock
• sold: 0

shipping pistonringro:

• carrier: UPS
• class: Standard
• type: Fixed
• cost: $14.99
• transit: 2-7 Days
• service: UPS Ground

seller pistonringro:

• city: Alpharetta, Georgia
• rating: 100.0%
• # reviews: 2482

returns pistonringro:

• policy: No Returns

payments pistonringro:

• credit card: Discover
• other
• wallet: Google-pay

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