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JE Ultra Series forged pistons for Subaru EJ20 applications, sized for a 92.5mm bore and offered as a set of four with a -3.8 dome profile. Ultra Series pistons use JE’s Aligned Grain Flow forging process for increased tensile strength, and include features such as thermal barrier crown coating, skirt coating, optimized pin oiling, lateral gas ports and high-strength wrist pins. Made in the USA for high-boost and power-adder builds.
JE Pistons Subaru EJ20 Ultra Series 92.5mm Bore -3.8 Dome (Set of 4 Pistons)
