CP Performance piston and ring set engineered for Subaru EJ257 engines in WRX and STI models — features 100.0mm bore diameter, +0.5mm oversize specification, and a 9.0:1 compression ratio for enhanced power and reliability.

Description

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.

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