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Manley's Platinum Series forged piston set is built for high‑duty four‑cylinder applications and specified here for 2015+ Subaru FA20 WRX engines at 86.50mm bore (+0.5mm) with 10:1 dish. The offering pairs advanced forging metallurgy with shop‑level precision. Features include domestic 2618 alloy forgings, proven cam‑and‑barrel skirt profiles, tool steel wrist pins and careful ring‑land and groove machining for reliable ring seal.
Manley 15+ Subaru FA20 WRX 86.50mm +.5mm Bore 10:1 Dish Piston Set w/ Rings (Extreme Duty)
