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| SKU | MAN612000CB-1 |
| MPN | 612000CB-1 |
| GTIN | 807298084404 |
| Certifications | None |
Experience enhanced engine performance and reliability with the Manley Single Piston designed for the 04+ WRX STi featuring the EJ257 engine. Crafted with precision to the standard size dimensions, this forged piston includes rings and offers a bore diameter of 99.50mm (Grade B) paired with a 79mm stroke for optimized combustion.
Engineered by Manley Performance, a trusted name in high-performance engine components, this piston is ideal for those upgrading or rebuilding their sports performance engines. Built to rigorous standards, it promises durability and efficiency for both street and track use.
Whether you are tuning your rally-inspired WRX STi or performing maintenance on your engine's internal components, the Manley 612000CB-1 single piston provides high-quality construction designed to meet demanding conditions. Installation is streamlined thanks to its exact OEM replacement specifications, ensuring a smooth fit and function.
Engineered by Manley Performance, a trusted name in high-performance engine components, this piston is ideal for those upgrading or rebuilding their sports performance engines. Built to rigorous standards, it promises durability and efficiency for both street and track use.
Whether you are tuning your rally-inspired WRX STi or performing maintenance on your engine's internal components, the Manley 612000CB-1 single piston provides high-quality construction designed to meet demanding conditions. Installation is streamlined thanks to its exact OEM replacement specifications, ensuring a smooth fit and function.
Customer reviews
Based on 160 reviews
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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.

















