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JE Pistons forged piston set for 5.4 4V Modular engines, configured to a 9.5:1 compression ratio and supplied as eight pistons. The pistons have a 3.701 in bore and -23.1 cc piston volume tailored to that application. Manufactured in the USA from 2618 aluminum, JE’s Forged Side Relief forging minimizes friction and weight; accumulator grooves and skirt coatings where applicable improve ring seal and durability for high-load operation.
JE Pistons 5.4 4V MODULAR 9.5:1 Set of 8 Pistons
