JE Pistons forged piston set for 5.4 4V Modular engines, specified at a 9.5:1 compression ratio and supplied as eight pistons. It features a 3.572 in bore and -17.9 cc piston volume matched for that engine. Forged in the USA from 2618 aluminum, the pistons use JE’s Forged Side Relief forging to minimize friction and weight; accumulator grooves and skirt coatings where applicable help improve ring seal and reduce wear under heavy use.
JE Pistons 5.4 4V MODULAR 9.5:1 Set of 8 Pistons