JE Ultra Series forged pistons for the Subaru FA20DIT are a set of four 87mm bore dome pistons with 10.0:1 compression, intended for high-boost applications. Ultra Series features JE’s Aligned Grain Flow forging for elevated tensile strength, thermal barrier crown and skirt coatings, lateral gas ports, optimized pin oiling and robust wrist pins—manufactured in the USA for demanding engines.
JE Pistons Ultra Series Subaru FA20DIT 87mm Bore 10.0:1 CR Set of 4 Pistons