JE Pistons and Rings 100 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 FX45_2003-2005 Part Number: BSF33XZ

Part Number: BSF33XZ

**Radiator cap not included

Part #: BC0114

Genuine Bosch LSU 4

NOTE: An intake like the TurboXS WS08-CAI is required to install this FMIC on either an STi or a WRX

JE Pistons and Rings 100 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 FX45_2003-2005 Part Number: BSF33XZPart #: 291062 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