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Manley single piston for 2015+ Subaru WRX (FA20F) — 86.00mm standard bore, 10:1 dish — presented as a Platinum Series Grade B single piston for FA20F applications. It serves as a high-quality replacement piston for the specified Subaru platform. Platinum Series construction includes 2618 alloy forgings, cam-and-barrel skirt profiles, and tool steel wrist pins. Manley emphasizes exacting ring lands and grooves, moly skirt coatings on select part numbers, and unique fixturing for precise machining.
Manley 15+ Subaru WRX (FA20F) 86mm STD (Grade B) Bore 10:1 Dish Piston (SINGLE PISTON)
