JE Pistons forged 4-cylinder piston kit for Subaru WRX EJ205 applications, specified for a 3.661 in bore and 9.50:1 compression. Made from 2618 forged aluminum in the USA, these pistons use JE’s Forged Side Relief (FSR) to reduce skirt width and friction while saving weight. Features may include an accumulator groove and skirt coating; kit ships with high-quality wrist pins, locks and JE Pro Seal premium rings for durable, race-capable sealing.
JE Pistons SUB WRX EJ205 79mm STR 93mm Bore CR 9.5 KIT Set of 4 Pistons