Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
CP Pistons piston and ring set for the Subaru EJ257 used in WRX STI applications is specified for a 99.5 mm bore in standard size with a 9.0 compression ratio. This matched piston and ring kit is intended as a direct replacement during engine rebuilds where these bore and CR specifications apply; confirm bore and engine compatibility before ordering.
CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.5mm) - Size (STD) - CR (9.0)
