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JE Pistons forged eight-piece kit for 5.4 4V Modular engines, set to an 8.5:1 compression ratio. It includes pistons with a 3.562 in bore and -28.2 cc piston volume matched to that application. Made in the USA from 2618 aluminum, the design uses JE’s Forged Side Relief forging to reduce skirt width and friction; accumulator grooves and skirt coatings (application dependent) enhance ring seal and wear resistance for street or track use.
JE Pistons 5.4 4V MODULAR 8.5:1 Set of 8 Pistons
