JE Pistons and Rings 99.5 Bore 83mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Vehicle Model_Supra mounting kit

mounting kit

structural integrity

Import Performance Research Tial Blow Off Valve Adapter for the 2005-2009 Legacy and 2008-2014 WRX

19mm and 21 mm

JE Pistons and Rings 99.5 Bore 83mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Vehicle Model_Supra mounting kitPart #: 291063 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