JE Pistons forged eight-piston kit for 5.4 4V Modular engines, configured to an 11:1 compression ratio. It includes pistons with a 3.562 in bore and -5.5 cc piston volume tailored to that application. Made 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 sealing, reduce wear and help maintain consistent power under high loads.
JE Pistons 5.4 4V MODULAR 11:1 Set of 8 Pistons