JE Pistons and Rings 99.75 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 vendor_ISR Performance Increases airflow

Increases airflow

Mishimoto Performance Aluminum Radiator

Not suggested for any WRX that gets used on the street

and throw out bearing

Part Number: BSF36XZ

JE Pistons and Rings 99.75 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 vendor_ISR Performance Increases airflowPart #: 296348 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