JE Pistons and Rings 100 Bore 83mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 vendor_Blouch Turbos All Exedy clutch discs have

All Exedy clutch discs have spring center dampers to reduce drivetrain shock

52mm (2 1/16")

Depending on the make and model of the car it can either be an UP step or DOWN step and sometimes the flywheel will be flat (zero step)

stainless steel 3/8in ID braided lines

JE Pistons and Rings 100 Bore 83mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 vendor_Blouch Turbos All Exedy clutch discs havePart #: 291064 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