CP Piston & Ring Set for Subaru EJ25 WRX STi - Bore (99.5mm) - Size (STD) - CR (10) - Single Piston

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.5mm) - Size (STD) - CR (9.0)

CP Piston & Ring Set for Subaru EJ257 WRX STI - Bore (99.5mm) - Size (STD) - CR (9.0) - Set of 4

CP Piston & Ring Set for Subaru EJ257 WRX/STI (Stroker)-Bore (99.5mm)-Size (STD)-CR (10.0)-Set of 4