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JE Pistons forged eight-piston kit for 5.4 4V Modular engines, tuned to an 11:1 compression ratio. It features a 3.622 in bore and -7.5 cc piston volume matched to the application. Forged in the USA from 2618 aluminum, JE’s Forged Side Relief forging reduces skirt width and friction. Accumulator grooves and skirt coatings where applicable improve ring sealing and reduce wear, supporting reliable performance in rebuilt or high-output engines.
JE Pistons 5.4 4V MODULAR 11:1 Set of 8 Pistons
