Tomioka Racing
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Tomioka Racing 2.7L (100 mm) Plus Stroker Kit 8.5:1 Compression Ratio for EJ25
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Tomioka Racing 2.7L (100 mm) Plus Stroker Kit 8.5:1 Compression Ratio for EJ25
TR Stroker Kit is the ultimate option in Subaru engine upgrades!
Tomioka Racing 2.7L (100 mm) Plus Stroker Kit 8.5:1 Compression Ratio for EJ25
Item #: 17215600

Tomioka Racing 2.7L (100 mm) Plus Stroker Kit 8.5:1 Compression Ratio for EJ25

Item #: 17215600

USD 5922

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*All items will import from US

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Only 3 items left in stock.
Order now and get it around Wednesday, October 14
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TR Stroker Kit is the ultimate option in Subaru engine upgrades!
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What Stands Out

Enhanced Performance
The Tomioka Racing Stroker Kit boosts your EJ25 engine's displacement to 2.7L, enhancing torque and horsepower, ensuring a thrilling driving experience on both the track and the road.
Precision Engineering
Crafted with high-quality materials, this stroker kit offers precision and reliability, addressing common engine performance issues and making it a top choice for serious automotive enthusiasts.
Optimized Compression
With an 8.5:1 compression ratio, this kit ensures optimal combustion efficiency, delivering improved fuel economy and power output while reducing engine knock, perfect for high-performance applications.

Product Details

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Item Weight25 lbs (11.34 kg)

Product Technical Details

Manufacturer‎Tomioka Racing
Brand‎Tomioka Racing
Manufacturer Part Number‎TR-ES2011

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Ideal for users seeking enhanced engine performance and power increases in their Subaru EJ25 engines.

  • Track Racers

    Perfect for individuals who race and need a high compression kit for optimal race day performance.

  • Engine Builders

    Great for builders looking to customize and enhance the capabilities of their Subaru engine for better output.

Not Suitable For
  • Daily Commuters

    Not suitable for daily drivers who prioritize reliability and fuel efficiency over high performance modifications.

Product Description

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Customer Questions & Answers

  • Question: What is the advantage of using the Tomioka Racing 2.7L Stroker Kit?

    Answer: The Tomioka Racing 2.7L Stroker Kit enhances engine performance by increasing the engine's displacement, resulting in improved torque and horsepower. This kit is especially beneficial for enthusiasts looking to boost their vehicle’s responsiveness and overall power. With a compression ratio of 8.5:1, it strikes a balance between power and reliability, making it well-suited for both street and track use, thus allowing drivers to experience enhanced driving dynamics.
  • Question: Is the Tomioka Racing Stroker Kit compatible with all EJ25 models?

    Answer: While the Tomioka Racing Stroker Kit is designed specifically for the EJ25 engine family, it's crucial to ensure compatibility with your specific model year and version. Generally, this kit suits popular EJ25 variants widely used in Subaru vehicles. For optimal performance, it's advisable to consult with a professional or refer to installation guides prior to purchase to confirm that the kit meets your model's requirements.
  • Question: What components are included in the Tomioka Racing Stroker Kit?

    Answer: The Tomioka Racing Stroker Kit typically includes stroker pistons, connecting rods, and a crankshaft essential for increasing displacement. Each component is engineered to ensure durability and performance, allowing for a robust upgrade to your EJ25 engine. This comprehensive kit simplifies the installation process as you receive all necessary parts in one package, making it a practical choice for engine builders looking to enhance their vehicle’s performance.
  • Question: How does the compression ratio of 8.5:1 affect performance?

    Answer: The 8.5:1 compression ratio of the Tomioka Racing Stroker Kit allows for efficient combustion without the risk of knocking, especially when paired with higher octane fuel. This ratio enhances throttle response and power output while maintaining engine reliability. For performance enthusiasts, this means you can achieve substantial gains in performance without sacrificing driveability, ideal for both everyday driving and more spirited outings.
  • Question: Can I install the Tomioka Racing Stroker Kit myself?

    Answer: While some experienced DIY enthusiasts may attempt to install the Tomioka Racing Stroker Kit themselves, proper installation requires knowledge of engine mechanics and tools. It’s recommended to have this kit installed by a qualified mechanic to ensure precision and reliability, especially due to the intricacies involved in modifying the engine. This way, you can ensure that all components are properly fitted and that the performance enhancements are maximized without risk of error.
  • Question: Will I need additional modifications when installing this stroker kit?

    Answer: When upgrading to the Tomioka Racing Stroker Kit, additional modifications may be necessary for optimal performance. This can include upgraded fuel injectors, a high-performance fuel pump, and potentially enhanced engine management systems to accommodate the increased power. A comprehensive assessment of your current setup is vital to ensure all systems are compatible and function together effectively, providing a well-rounded performance boost.
  • Question: What performance gains can I expect from installing this kit?

    Answer: Installing the Tomioka Racing 2.7L Stroker Kit can yield significant performance gains, typically translating to increased horsepower and torque. Users often report improvements in engine responsiveness and acceleration. The exact gains can vary depending on vehicle tuning and additional modifications, but many driving enthusiasts appreciate how this kit elevates their vehicle's performance, making it a popular choice for both daily driving and racing applications.
  • Question: Is professional tuning necessary after installing the stroker kit?

    Answer: Yes, professional tuning is highly recommended after installing the Tomioka Racing Stroker Kit. Tuning ensures the ECU is optimized to manage the new displacement and performance characteristics. Proper tuning addresses fuel ratios, ignition timing, and other critical parameters, enabling you to maximize the benefits of your new stroker kit while ensuring engine reliability and peak performance, especially if you aim to use the vehicle for more intense driving conditions.
  • Question: What fuel is recommended for the Tomioka Racing Stroker Kit?

    Answer: To fully benefit from the Tomioka Racing Stroker Kit’s performance features, using high-octane fuel is recommended. Higher octane ratings help prevent engine knocking and improve combustion efficiency, facilitating the 8.5:1 compression ratio's optimal performance. This is especially crucial if you plan to push your engine's limits, ensuring that you achieve maximum horsepower and torque without compromising engine health over time.
  • Question: Where can I buy Tomioka Racing 2.7L (100 Mm) Plus Stroker Kit 8.5:1 Compression Ratio For EJ25?

    Answer: You can purchase the Tomioka Racing 2.7L (100 Mm) Plus Stroker Kit 8.5:1 Compression Ratio for EJ25 through Ubuy. Ubuy provides a convenient platform for obtaining this high-performance engine kit, ensuring that you get genuine products delivered efficiently. With its user-friendly interface, you can easily browse specifications and make purchases with confidence, contributing to a smooth shopping experience.

Tomioka Racing Engine Kits Editorial Review

The Tomioka Racing 2.7L (100 mm) Plus Stroker Kit features an impressive 8.5:1 compression ratio specifically designed for the EJ25 engine, offering a notable enhancement for performance enthusiasts. With a weight of 25 lbs (11.34 kg), this stroker kit is engineered for durability while in operation. This kit is perfect for those looking to boost their vehicle's power and performance without compromising on reliability, making it a go-to choice among racing aficionados. Whether you are upgrading your current engine or building a new one, this stroker kit is sure to meet your performance needs.

Customer Reviews & Ratings

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Pros

  • Engineered for enhanced performance
  • Optimized for EJ25 engine compatibility
  • Durable construction for long-lasting use
  • Lightweight design for better handling
  • Increases overall engine power

Cons

  • Installation may require professional assistance

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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USD 5922

Order now and get it around Wednesday, October 14

QTY:

Only 3 items left in stock.
Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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  • fedex
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Fastest cross-border delivery

Features & Benefits

  • Increase horsepower and torque with enhanced displacement.
  • Features forged aluminum pistons and I-Beam connecting rods.
  • Includes a durable billet crankshaft for high performance.
  • Built with the latest technology and quality components.
  • Designed to handle high horsepower demands efficiently.
  • An must-have upgrade for Subaru EJ25 engine enthusiasts.

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