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JE Pistons Ultra Series forged piston kit for Subaru EJ257, 99.75mm bore with 8.5:1 compression, set of four, is built for high-boost, high-horsepower engines. Ultra Series pistons use JE’s Aligned Grain Flow forging technology for elevated tensile strength, and include thermal barrier crown coating, skirt coating, lateral gas ports and optimized pin oiling. High-strength wrist pins are supplied, and the line is made 100% in the USA for demanding builds.
JE Pistons Subaru EJ257 Ultra Series 8.5:1 Comp, 99.75mm Bore, 83mm Stroker Piston Kit (Set of 4)
