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JE Ultra Series forged pistons for the Mitsubishi 4B11T are a set of four 86.5mm bore dome pistons with 10.0:1 compression. Built for power-adder engines, Ultra Series employs JE’s Aligned Grain Flow forging, thermal barrier crown and skirt coatings, lateral gas ports and optimized pin oiling, plus robust wrist pins—features focused on durability and piston sealing under high cylinder pressures.
JE Pistons Ultra Series Mitsubishi 4B11T 86.5mm Bore 10.0:1 CR Set of 4 Pistons
