JE Pistons forged piston kit for Subaru WRX EJ205 (79mm stroke), 9.5:1 compression — a set of four pistons for EJ-series applications. Manufactured in the USA from 2618 aluminum with JE's Forged Side Relief (FSR) design to lower skirt friction and mass, the kit includes wrist pins, locks and JE Pro Seal rings. Specified for a 3.642 in. bore with dome geometry to match EJ205 cylinder specifications.
JE Pistons SUB WRX EJ205 79mm STR 92.5mm Bore CR 9.5 KIT Set of 4 Pistons