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JE Pistons Ultra Series forged piston set for BMW B58B30 (83mm bore) is built for high-boost, high-horsepower applications. Ultra Series pistons feature JE's Aligned Grain Flow forging technology for elevated tensile strength, thermal barrier crown coating, skirt coating, gas ports and optimized pin oiling to withstand extreme cylinder pressures. Made in the USA, the six-cylinder kit includes high-strength wrist pins and other race-ready features for durability in boosted engines.
JE Pistons BMW B58B30 Ultra Series Piston Set - 83mm Bore
