Product Overview CP Pistons SC7439-1 CP Piston & Ring for Subaru EJ257 WRX STI- Bore (100.0mm)-Size (+0.5mm)- CR (9.0) - *SINGLE PISTON*
CP Pistons CP Pistons SC7427-1 CP Piston & Ring for Subaru EJ257 WRX STi-Bore (100.0mm)-Size (+0.5mm)-CR (9.0) *SINGLE PISTON/RING*
CP Pistons CP Pistons SC7439-4 CP Piston & Ring Set for Subaru EJ257 WRX STI- Bore (100.0mm)-Size (+0.5mm)- CR (9.0) - Set of 4
CP Pistons CP Pistons SC7427-4 CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.0mm) - Size (+0.5mm) - CR (9.0)
CP Pistons CP Pistons SC7428-1 CP Piston & Ring Set for Subaru EJ257 WRX STi - 100.5mm Bore +0.5mm Size 9.0 CR *Single Piston Only*
CP Pistons CP Pistons SC7437-1 CP Piston & Ring Set for Subaru EJ257 WRX STI - Bore 99.5mm - Size STD - CR 9.0 - Single Piston
