JE forged piston set for 4.6 4V Modular engines. These premium forged pistons bring JE’s racing pedigree to demanding domestic applications, tuned here for an 8.5:1 compression ratio to balance power and reliability. The set of eight lists a 3.622 in bore with 1.220 CD and -18.4 cc; features include JE’s Forged Side Relief to reduce friction, optional accumulator groove and skirt coating, and 2618 aluminum construction, made and machined in the USA.
JE Pistons 4.6 4V MODULAR 8.5:1 Set of 8 Pistons