Mahle MS forged piston set for Subaru WRX 2.5L, 99.75mm bore, 9.0:1 compression ratio, set of four. Product specifications include 30.7mm compression height, 79mm stroke, 130.5mm rod length and 23mm pin diameter, with a listed 2618 aluminum construction. This set matches the MS series dimensions for high-quality replacement pistons in the specified WRX 2.5L application.
Mahle MS Piston Set Subaru WRX 2.5L 99.75mm Bore 79mm Stroke Stock Rod 23mm Pin-14cc 9.0 CR Set of 4