JDM SUBARU EJ25 Engine Pistons

Restore your Subaru EJ25/EJ255/EJ257 engine with our ProSpeed OEM-spec piston & ring set. Complete EJ25 engine pistons kit for all your WRX, STI, Forester XT rebuilds.

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Original price was: $251.55.Current price is: $228.08. Inc. VAT

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Restore Peak Performance: ProSpeed EJ25 Piston & Ring Set

The Subaru EJ25 series engine (EJ25, EJ255, EJ257) is the heart of countless performance legends like the Impreza WRX, STI, and Forester XT. Over time, with increased power demands, original pistons and rings can wear, leading to reduced compression, oil consumption, and loss of power.

 

Our ProSpeed OEM-Spec Piston & Ring Set for Subaru EJ25, EJ255, EJ257 Engines provides a reliable and high-quality solution for restoring your engine’s internal integrity and restoring its factory performance.

 

This Subaru EJ25 EJ255 EJ257 Replacement Piston Set is designed to meet or exceed OEM specifications, ensuring a precise fit and reliable operation for your engine rebuild or refresh. Each set includes all necessary components for a complete engine, helping you address common EJ25 issues and get your beloved Subaru back on the road, performing as it should.

 

What You Get Here:

  • Complete Piston & Ring Set: Includes a full set of 4 pistons, 4 wrist pins, 8 circlips, and a complete set of piston rings.
  • OEM-Spec Quality: Manufactured to meet or exceed original equipment manufacturer (OEM) standards for fitment, durability, and performance.
  • Restore Compression & Power: Replaces worn or damaged pistons and rings to restore cylinder compression and lost engine horsepower and torque.
  • Direct Replacement: Engineered for direct compatibility with Subaru EJ25 series engines, ensuring a straightforward fit during a professional engine build.
  • Addresses Common Wear: Ideal for addressing issues such as ringland failure, excessive oil consumption, or low compression, often seen in high-mileage or high-stress EJ25 engines.

 

Fitment:

  • Make: Subaru, Saab (for Saab 9-2X Aero)
  • Engine Series: EJ25, EJ251, EJ252, EJ253
  • Common Applications (but verify specific engine code):
    • Subaru Impreza WRX STI
    • Subaru Forester XT
    • Subaru Legacy GT
    • Saab 9-2X Aero
  • Years: 1999 – 2006
  • Important Note: Always confirm your specific engine code and piston requirements with a qualified mechanic or engine builder before purchasing, as variations can exist even within the same vehicle model.

 

*For optimal results, professional installation is always recommended.

Material:

High-Strength Steel Alloy

Adjustability:

Camber and Toe adjustable

Bushings:

Equipped with spherical bearings/pillow ball bushings

Finish:

Powder-coated corrosion-resistant finish

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Fast Shipping

  • FAST & FREE shipping to the U.K and E.U on all orders over £30! We ship daily to the U.K, the E.U and the U.S.A.

  • Each purchase placed before 5 P.M GMT is processed on the same and funnelled for shipping and delivery within 48 hours. Depending on your delivery address your package will be delivered in about 3 to 10 business days.

  • We ship with DHL, Royal Mail, FedEx, DPD, UPS, and LTL carriers, depending on which option is the fastest and most convenient for your delivery address.

  • All Items are shipped fully functional. However, on very rare occasions, external damages may occur during shipping. If this happens, please take photos of the package and product immediately upon reception, and contact us (sales@jcdcautomotive.co.uk) to file a claim for FREE returns or replacement.
  • Standard 30 days customer satisfaction guarantee on this purchase with FREE returns.
  • Our performance parts warranty is limited to manufacturing and operational defects alone.
  • All returns/refund claims MUST be accompanied by an authorized RMA (Return Merchandise Authorization); please always contact us at; sales@jcdcautomotive.co.uk to initiate a return.
  • Non-warranty returns MUST be made within 15 days of purchase.
  • Please make sure you always verify part fitment for your car prior to purchase.

This here is a mandatory statement to help edify all our International customers from California.

  • We are required by law to state clearly that products offered on our website may fall under California's Proposition 65 law. https://www.p65warnings.ca.gov/
  • This does not apply to customers in the U.K, the E.U. or any orders out of California, and will not affect your purchase in any way, shape, or form.

Verified Customer Reviews

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Really happy with the level of customer service - really laid back, honest and polite. Kids enjoyed their service of Mr bean also. Definitely happy to return and highly recommend.

- Megan G. 🇬🇧
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Really helpful staff. Car had its belt done here, and when i needed advice, they were so helpful. It wasn't my belt. It was another issue. But thank you for being so helpful, so I appreciate it.

- Jeffrey B. 🇬🇧
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Great stock of nippon spares. Came quite in handy for last Skyline replacement.  Delivery took about 6 days to get to me in Dublin. Would 100% recommend.

- Darren O. 🇮🇪
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My son’s car had had a diagnostic elsewhere. It needed a new turbo and after speaking to Josh I felt confident that he would do a good job. He arranged recovery and called me with updates about the car. Absolutely brilliant customer service and very honest.

- Whiteford L. 🇬🇧
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Great quality exchange part. Fits perfectly in my Toyota dyna bu30. I have been searching for this here in Berlin for so long. Vielen Dank dafür!
- Yoann S. 🇩🇪
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The guys are awesome, friendly, polite well priced and was done all in the same day absolutely fantastic service highly recommended. After 3 garages refused to do my timing belt these didn't hesitate at all will be going for all future car related jobs thank you.

- Ben 🇬🇧

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