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The JE Pistons four-piston kit for Subaru EJ-series engines (EJ257) is a forged, application-specific set designed for turbocharged Subaru builds. Machined in the USA from 2618 aluminum, these 8.50:1 inverted-dome/dish pistons include pins, locks and premium JE rings and use JE’s FSR forging and accumulator groove to minimize friction, reduce ring flutter and improve sealing for durable, consistent operation in EJ257 applications.
JE Pistons SUB STI EJ257 KIT Set of 4 Pistons
