The JE right forged piston for Subaru EJ257 applications (99.75mm bore) is a race-oriented single piston machined and heat-treated in the USA. Forged from 2618 aluminum and using JE's Forged Side Relief forging, it reduces skirt width and friction while saving weight. Depending on the application it may include skirt coating, accumulator groove, and ships with JE Pro Seal rings, wrist pin and locks.
JE Pistons Subaru EJ257 Right Single Piston - 99.75mm Bore - 1.130in. CH -21.10 CC