
Images may differ
Some product images are generic and supplied by the manufacturer. Always check the product title, specifications and fitment information before ordering.
| SKU | CPPSC7427-4 |
| MPN | SC7427-4 |
| 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 optimized engine performance with the CP Piston & Ring Set designed for Subaru EJ257 WRX STi. Crafted to precise specifications, this set features forged pistons with a bore size of 100.0mm and an oversize of 0.5mm, ensuring a perfect fit for enhanced power and efficiency.
Constructed with a compression ratio of 9.0, these pistons are engineered to withstand demanding engine conditions while maximizing combustion efficiency. The CP Pistons brand is renowned for its commitment to quality and durability, making this set an ideal upgrade for enthusiasts seeking reliability and performance.
Upgrade your Subaru engine with this high-quality 4-cylinder piston set that delivers consistent performance and long-lasting durability. Suitable for motorsport applications and high-performance street builds, these forged pistons offer excellent resistance to wear and engine stress.
With easy installation and engineered compatibility, the CP Piston & Ring Set provides a trustworthy solution for those looking to push their engine’s limits safely and effectively. Enhance your tuning project with a trusted brand that understands the demands of the automotive enthusiast community.
Constructed with a compression ratio of 9.0, these pistons are engineered to withstand demanding engine conditions while maximizing combustion efficiency. The CP Pistons brand is renowned for its commitment to quality and durability, making this set an ideal upgrade for enthusiasts seeking reliability and performance.
Upgrade your Subaru engine with this high-quality 4-cylinder piston set that delivers consistent performance and long-lasting durability. Suitable for motorsport applications and high-performance street builds, these forged pistons offer excellent resistance to wear and engine stress.
With easy installation and engineered compatibility, the CP Piston & Ring Set provides a trustworthy solution for those looking to push their engine’s limits safely and effectively. Enhance your tuning project with a trusted brand that understands the demands of the automotive enthusiast community.
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.

















