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JE Pistons forged piston set for 5.4 4V Modular engines, matched to an 8.5:1 compression ratio and supplied as eight pistons. The kit features a 3.701 in bore and -34.6 cc piston volume tailored for that engine. Forged in the USA from 2618 aluminum, JE’s Forged Side Relief forging reduces skirt width and friction; accumulator grooves and optional skirt coatings enhance ring seal and wear resistance for demanding street or competition use.
JE Pistons 5.4 4V MODULAR 8.5:1 Set of 8 Pistons
