Mahle MS forged piston set for EJ25 engines is supplied as a set of four pistons with a 99.75mm bore, 79.0mm stroke, standard rod length and 23mm pin; the extended spec shows a roughly -19.3cc displacement correction and an 8.5:1 compression ratio. These pistons are specified with mass and chamber details for accurate rebuilds and replacements on applications matching the EJ25 architecture and dimensions.
Mahle MS Piston Set EJ25 99.75mm Bore 79.0mm Stroke Stock Rod 23mm Pin -22cc 8.5 CR Set of 4