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JE Pistons Ultra Series forged piston kit for Subaru EJ257 (99.75mm bore, 9.5:1 compression) is intended for boost-heavy and high-output EJ builds. The Ultra Series uses JE's Aligned Grain Flow forging for exceptional tensile strength, and includes thermal barrier crown coating, skirt coating, lateral gas ports and improved pin oiling to reduce friction and heat. Trend Performance wrist pins and USA manufacture finish the package.
JE Pistons Ultra Series Subaru EJ257 99.75mm Bore 9.5:1 CR Set of 4 Pistons
