JE Pistons and Rings 99.5 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 pull style making it a standout addition

making it a standout addition for street builds and show cars alike

Strong and lightweight aluminum construction

this radiator helps maintain stable coolant temperatures under high‑stress conditions such as aggressive driving

The fitment is only guaranteed with OEM oil pans

low evaporation and oil separation

JE Pistons and Rings 99.5 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 pull style making it a standout additionPart #: 291061 JE piston and ring designs are specifically engineered for extreme applications up to, and including professional competition for your Subaru WRX and STI. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy. Fitment: JE Pistons and Rings for SUBARU 2004+ IMPREZA STI , 2005+ FORESTER XT, LEGACY GT, 2006+ WRX EJ257 Features: 2618 T6 high