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  3. WISECO 6598M995AP

WISECO 6598M995AP Piston EJ257 99.50 30.70 19.00 8526

fits make: Subaru.

6598m995ap Wiseco Subaru Ej257 Piston 99.50 Mm Bore 30.70 Ch -19.00 Cc 8526

( Brand: Wiseco ), ( Manufacturer Part Number: 6598M995AP ), ( 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 WISECO Subaru Piston 99.50mm Bore 30.70 Ch 19.00

WISECO 6598M995AP High Performance Subaru EJ257 Piston Kit

Experience the epitome of engine performance enhancement with the WISECO 6598M995AP Subaru EJ257 Piston Kit. This premium piston set, specifically designed for the Subaru EJ257 engine, is a testament to WISECO's commitment to delivering high-quality components that cater to the needs of discerning automotive enthusiasts.

The WISECO 6598M995AP piston kit is engineered with precision and attention to detail. Each piston is meticulously crafted to deliver optimal strength, durability, and reliability under high-performance conditions. The pistons feature a top-quality forged construction, ensuring they can withstand the increased stress and heat generated during high-RPM driving or turbocharged applications.

Key specifications of the WISECO 6598M995AP piston kit include a diameter of 99.50mm, a stroke of 30.70mm, a piston pin diameter of 19.00mm, and a weight of 8526 grams. These dimensions are designed to provide an optimal balance between power, efficiency, and longevity for your Subaru EJ257 engine.

The pistons are equipped with a crown design that optimizes combustion efficiency, reducing fuel consumption and enhancing power output. The piston skirts are designed with a low-friction coating to minimize wear and ensure a smooth, efficient operation. The piston pin is also designed for maximum strength and durability, featuring a high-tensile steel construction and a floating pin design for reduced friction and increased lifespan.

Installing the WISECO 6598M995AP piston kit in your Subaru EJ257 engine will not only improve its performance but also extend its lifespan. Whether you're looking to boost your car's horsepower, torque, or simply want to upgrade to a more reliable piston set, this WISECO piston kit is an excellent choice.

In conclusion, the WISECO 6598M995AP Subaru EJ257 Piston Kit is a high-performance upgrade that delivers strength, durability, and efficiency. Invest in this premium piston set today, and experience the difference it can make in your Subaru's performance.

Pros, Cons, and Recommendation for Wiseco 6598M995AP Subaru EJ257 Piston (99.50 30.70 19.00 8526)

Pros:

1. High-Quality Material: The Wiseco 6598M995AP piston is made of forged aluminum, which is known for its strength and durability, making it suitable for high-performance applications.

2. Enhanced Power: This piston is designed to provide increased power and performance compared to stock pistons, which can be beneficial for those looking to modify their Subaru EJ257 engine for improved horsepower and torque.

3. Precision Manufacturing: Wiseco is known for its precision in manufacturing, ensuring a proper fit and excellent engine performance.

4. Reputable Brand: Wiseco is a well-established brand in the performance aftermarket, which can give buyers confidence in the quality of their products.

Cons:

1. Price: The Wiseco 6598M995AP piston is more expensive than OEM (Original Equipment Manufacturer) pistons, which may be a concern for budget-conscious buyers.

2. Potential Compatibility Issues: While Wiseco pistons are designed to fit specific engine models, there can still be potential compatibility issues that may require additional modifications or parts.

3. No Warranty for Performance Parts: Unlike some OEM parts, performance parts like the Wiseco piston often do not come with a warranty for performance-related issues. This means that if the piston fails during high-performance use, the buyer may not be covered.

4. Not Suitable for All Applications: The Wiseco 6598M995AP piston is designed for high-performance use. If your Subaru EJ257 engine is not modified or used for racing, a stock piston may be more suitable.

Ending Conclusion:

The Wiseco 6598M995AP Subaru EJ257 piston is a high-quality performance part that can provide increased power and durability for modified Subaru engines. However, it comes at a higher price point and may not be necessary for non-modified or non-racing applications. If you're looking to modify your Subaru EJ257 engine for improved performance, this piston could be a good choice. If you're on a budget or your engine is not modified, a stock piston may be more suitable. Always ensure proper installation and verify compatibility before purchasing.

Details:

Piston Material. There is nothing wrong with these pistons and they are ready to go. Piston Quantity. Engine Piston.

part #: 6598m995ap prices

  • $815.99-$1048.83

specifications pistonringro:

  • for makes: Subaru
  • brand: Wiseco
  • mpn: 6598m995ap
  • 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

returns pistonringro:

  • policy: No Returns

general pistonringro:

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

seller pistonringro:

  • rating: 100.0%
  • city: Alpharetta, Georgia
  • # reviews: 2456

offer pistonringro:

  • started: September 18, 2025
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1

payments pistonringro:

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  • wallet: Paypal
  • other

shipping pistonringro:

  • service: UPS Ground
  • type: Fixed
  • carrier: UPS
  • cost: $0.00
  • transit: 2-6 Days
  • class: Standard
for makes: subaru, items included: piston rings, wrist pin, wrist pin locks, piston diameter: 99.5mm, vintage part: no, type: piston, country/region of manufacture: united states, performance part: yes,
category: auto parts > car truck parts accessories > engines engine parts > pistons rings, material: steel, sku: 12295721097211752,
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5 offers $815.99–$1048.83 USD
  • New. Offer #1 priced at $831.99 + $0.00 shipping estimate = $831.99* total. Wiseco K598M995AP Piston Set, Fits Subaru , 99.50 mm Bore, Sport Compact, S.FREE SHIPPING
  • New. Offer #2 priced at $1048.83 + $0.00 shipping estimate = $1048.83* total. PRODUCT OVERVIEW: - Wiseco Pistons Subaru - 2.5L 16V WRX STI 2004+ - 2006 WRXEJ255, Bore 3.927 (99.75mm), Stroke 3.110 (79mm), Rod Length 5.137 (130.5mm), Compression Height 1.209 (30.7mm), Dish -19.0cc, Pin 23mm, Set of 4 Pistons PRODUCT INFO: - Wiseco Subaru WRX/STI 4v Dish -19cc 99.FREE SHIPPING
  • New. Offer #3 priced at $815.99 + $0.00 shipping estimate = $815.99* total. The -19cc dished crown with four generous valve pockets accommodates oversized valves and high-lift camshafts while the squish area design resists detonation and pre-ignition for extended engine life. Part Number: K598M995AP.FREE SHIPPING
  • New. Offer #4 priced at $732.99 + $0.00 shipping estimate = $732.99* total. This piston kit is compatible with Subaru engines found in WRX and STI models, suitable for applications from model years 2002 to 2021.FREE SHIPPING
  • New. Offer #5 priced at $815.99 + $0.00 shipping estimate = $815.99* total. Ross Racing Pistons Wiseco Pro Tru Compact Series Piston Kit for Subaru .FREE SHIPPING

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