CP Piston & Ring Set for Subaru EJ255 WRX - Bore (100.0mm) Size (+0.5mm) CR (8.4) *Single Piston*

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+0.5mm) - CR (9.0) Set of 4

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 for Subaru EJ257 WRX STi-Bore (100.0mm)-Size (+0.5mm)-CR (9.0) *SINGLE PISTON/RING*

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.75mm) - Size (+0.25mm) - CR (9.0)

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.75mm) - Size (+0.25mm) - CR (9.0) - SINGLE

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

CP Piston & Ring for Subaru EJ257 WRX STi - Bore (99.5mm) - Size (STD) - CR (9.0) - 1 ea piece

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4

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 (99.75mm) - Size (0.25mm) - CR (8.2)

CP Piston & Ring for Subaru EJ257 WRX STi - Bore (99.75mm) - Size (0.25mm) - CR (8.2) SINGLE PISTON

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100mm) - Size (0.5mm) - CR (8.2)

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100mm) - Size (0.5mm) - CR (8.2) - SINGLE

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.5mm) - Size (Standard) - CR (8.2)

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.5mm) - Size (Standard) - CR (8.2) - SINGLE

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+0.25mm) - CR (10) - Set

CP Piston & Ring Set for Subaru EJ25 WRX STi - Bore (100.0mm) - Size (+0.5mm) - CR (10) - Set of 4

CP Piston & Ring Set for Subaru EJ25 WRX STi - Bore (99.75mm) - Size (+0.25mm) - CR (10) - Set of 4

CP Piston & Ring Set for Subaru EJ25 WRX STi - Bore (99.5mm) - Size (STD) - CR (10) - Set of 4

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

CP Piston & Ring Set for Subaru EJ25 2.5RS - Bore (100mm) - Size (+0.5mm) - Compression Ratio (8.5)