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Manley piston set for Subaru 2.5L EJ257 (WRX/STi) with a 99.75mm bore, 1.209in compression height and -10.00cc crown volume. These "Platinum Series" forged pistons are built from domestic 2618 alloy forgings and feature cam-and-barrel skirt profiles and tool steel wrist pins. Moly skirt coatings on select SKUs and Manley’s precise ring land and groove standards enhance ring seal and assembly consistency for higher-output engines.
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.209in CH, -10.00 CC
