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| SKU | CPPSC7422-4 |
| MPN | SC7422-4 |
| Certifications | None |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2012 | Subaru | Impreza | WRX STI |
| 2007,2011-2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
Experience superior performance with the CP Piston & Ring Set specifically designed for the Subaru EJ257 WRX STi. This high-quality piston set features a bore size of 99.75mm and a size increment of 0.25mm, ensuring a precise fit for your engine build. Crafted to achieve a compression ratio of 8.2, these pistons provide an excellent balance between power and reliability, tailored for enthusiasts seeking enhanced engine performance.
Manufactured by CP Pistons, a brand renowned for engineering excellence, this forged piston set is perfect for 4-cylinder engines. Whether you're upgrading your race car or restoring your vehicle, this set delivers durability and strength to withstand demanding driving conditions. Compatible with Subaru EJ257 engines, it is an essential upgrade for any serious tuner looking to boost engine output and efficiency.
Available now at Tuningsupply, your trusted European source for performance parts, you benefit from competitive pricing without hidden fees, fast shipping across Europe, and enthusiast-driven support. Elevate your engine build with these CP pistons and take your Subaru to the next level of performance and reliability.
Manufactured by CP Pistons, a brand renowned for engineering excellence, this forged piston set is perfect for 4-cylinder engines. Whether you're upgrading your race car or restoring your vehicle, this set delivers durability and strength to withstand demanding driving conditions. Compatible with Subaru EJ257 engines, it is an essential upgrade for any serious tuner looking to boost engine output and efficiency.
Available now at Tuningsupply, your trusted European source for performance parts, you benefit from competitive pricing without hidden fees, fast shipping across Europe, and enthusiast-driven support. Elevate your engine build with these CP pistons and take your Subaru to the next level of performance and reliability.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















