CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) - Single

CP Piston & Ring Set for Subaru EJ257 WRX STI - Bore (100.5mm) - Size (+1.0mm) - CR (8.5) - Set

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 (100.5mm) - Size (+0.5mm) - CR (9.0) Set of 4