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JE Ultra Series forged pistons for the Nissan SR Series are a set of four 87mm bore flat-top pistons with 10.0:1 compression, created for high-output engines. Ultra Series incorporates JE’s Aligned Grain Flow forging for added tensile strength, thermal barrier crown and skirt coatings, lateral gas ports and optimized pin oiling, plus robust wrist pins to handle elevated cylinder pressures.
JE Pistons Ultra Series Nissan SR20DET 87mm Bore 10.0:1 CR Set of 4 Pistons
