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Manley four-piston set for 2015+ Subaru WRX (FA20F) — 86.1mm +0.1mm bore, 10:1 dish — a Platinum Series piston set built for multi-cylinder FA20F engine builds. This set supplies the four pistons sized for the specified overbore. Platinum Series pistons feature domestic 2618 alloy forgings, proven cam-and-barrel skirt profiles, tool steel wrist pins and moly skirt coatings on select SKUs. Manley notes precise ring lands and grooves and unique fixturing to ensure ring groove to skirt squareness.
Manley 2015+ Subaru WRX FA20F 86.1mm +.1mm Bore 10:1 Dish Piston Set of 4
