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Manley Platinum Series forged piston (single) for 2004+ Subaru WRX/STI EH257, 99.50mm bore, STD size, 8.5:1 dish is built from domestic 2618 alloy forgings and incorporates proven cam and barrel skirt profiles. Standard chrome-moly wrist pins and moly skirt coatings on select SKUs improve durability and reduce friction. Manley's manufacturing fixturing and exacting ring land and groove standards ensure precise ring-to-skirt squareness and are trusted by professional engine builders for strength and consistent performance.
Manley 04+ Subaru WRX/STI EH257 99.50mm Bore STD Size 8.5:1 Dish Piston Set - Single Piston
