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JE Ultra Series forged pistons for the Subaru FA20DIT are a set of four 86mm bore dome pistons with 10.0:1 compression, designed for turbocharged applications. Ultra Series uses JE’s Aligned Grain Flow forging, thermal barrier crown and skirt coatings, lateral gas ports, enhanced pin oiling and high-strength wrist pins to preserve ring seal and resist the demands of power‑adder builds.
JE Pistons Ultra Series Subaru FA20DIT 86mm Bore 10.0:1 CR Set of 4 Pistons
