JE Pistons and Rings 100 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Vehicle Model_Civic The system is a direct

The system is a direct bolt on and requires zero modification for installation

An added benefit of the ACT Prolite flywheel is that they are serviceable and can be resurfaced with no need to purchase additional parts

Part Number: 06052-HD00

Restores air flow efficiency so your Filtercharger performs like new

Combined with our aluminum flywheel

JE Pistons and Rings 100 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Vehicle Model_Civic The system is a directPart #: 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