Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
This CP single piston and ring assembly is made for the Subaru EJ257 used in WRX STI applications, specified for a 100.0 mm bore with a +0.5 mm oversize and a 9.0 compression ratio. Sold as a single piston, the kit provides the matched piston and ring set sized to the listed bore and oversize dimension for builders servicing a single cylinder during engine rebuilds or repairs on compatible EJ257 engines.
CP Piston & Ring for Subaru EJ257 WRX STI- Bore (100.0mm)-Size (+0.5mm)- CR (9.0) - *SINGLE PISTON*
