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JE Ultra Series forged pistons for Subaru EJ engines are a high‑strength off‑the‑shelf option built for extreme duty. This 4‑cylinder set features JE’s Aligned Grain Flow forging for maximum tensile strength, thermal barrier crown coating, skirt coating, optimized pin oiling and lateral gas ports to help maintain ring seal under high RPM and boost. Made 100% in the USA for demanding power builds.
JE Pistons Subaru EJ20 Head/EJ25 Block Ultra Series Set of 4 Pistons
