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Manley Performance Platinum Series pistons are a forged piston set specified for Ford 3.5L EcoBoost applications with a 3.642in bore and 1.239in compression height, listed as an extreme‑duty piston with an approximately -8.5cc dish. The line uses 2618 alloy forgings, premium chrome‑moly wrist pins and selective moly skirt coatings, and highlights exacting ring lands and cam/barrel skirt profiles for strong sealing and durability in demanding builds.
Manley Ford 3.5L Ecoboost 3.642in Bore 1.239in Comp Height -8.5cc Dish Extreme Duty Piston Set
