4 pcs Forged Pistons with pins and rings For SUBARU EJ20 EJ205 engine. EJ20 EJ205. Subaru Impreza WRX. Subaru Impreza WRX STI. Subaru Forester. Subaru Impreza. 1, Lighter design, unit weight of 92mm piston is around 328g, unit weight of 92.5mm piston is around 335g.
