Manley Platinum Series forged pistons for Subaru EJ257 applications (+0.25 mm bore) deliver race-capable components built from domestic 2618 alloy forgings. This piston set includes rings and uses cam-and-barrel skirt profiles, exacting ring lands and grooves, and premium chrome-moly wrist pins to enhance ring seal and durability. Manley's machining and fixturing processes produce consistent ring groove-to-skirt squareness and skirt profiles that promote power while maintaining cylinder wall friendliness for performance rebuilds.
Manley Subaru EJ257 99.75mm +.25mm Bore 8.5:1 Dish Platinum Series Piston Set with Rings