Manley piston set for Subaru 2.5L EJ257 (WRX/STi) specified with a 100.00mm bore, 1.209in compression height and -17.00cc crown volume. From the "Platinum Series," these forged 2618 alloy pistons pair cam-and-barrel skirt profiles with tool steel wrist pins and moly skirt coatings on select SKUs. Manley's unique fixturing and exacting ring lands and grooves help deliver reliable ring seal and consistent results for professional builders and tuners.
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 100.00mm Bore 1.209in CH, -17.00 CC