CP Piston & Ring Set for Subaru EJ257 WRX STi - 100.5mm Bore +0.5mm Size 9.0 CR *Single Piston Only*

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.0mm) - Size (+0.5mm) - CR (9.0)

CP Piston & Ring Set for Subaru EJ257 WRX/STI (Stroker)-Bore (100.5mm)-Size (+1.0mm)-CR (9.0)

CP Piston & Ring Set for Subaru EJ257 WRX STI- Bore (100.0mm)-Size (+0.5mm)- CR (9.0) - Set of 4