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JE Pistons forged eight-piston kit for 5.4 4V Modular engines, tuned to a 9.5:1 compression ratio. This set features a 3.562 in bore and -17.5 cc piston volume tailored to that application. Made in the USA from 2618 aluminum, JE’s Forged Side Relief forging reduces skirt width and friction. Accumulator grooves and optional skirt coatings improve ring seal, lower operating noise and enhance durability for high-demand driving and racing scenarios.
JE Pistons 5.4 4V MODULAR 9.5:1 Set of 8 Pistons
