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The Manley Platinum Series forged piston set for Subaru EJ257 applications is a complete piston-and-ring kit sized at 99.55mm with a +0.25mm bore and an 8.5:1 dish. Manley’s Platinum Series uses 2618 alloy forgings, precise cam-and-barrel skirt profiles, and tool steel wrist pins, offering engine builders proven strength, accurate ring land and groove tolerances, and reduced cylinder wear.
Manley Subaru EJ257 99.55mm +.25mm Bore 8.5:1 Dish Platinum Series Piston Set with Rings
