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Mahle MS piston set for the BMW S54B, supplied as a set of six pistons to support engine rebuilds and performance maintenance. Each piston measures 87.50mm bore with a 91.0mm stroke, 139mm rod and 21mm pin, engineered with about -9.2cc crown volume, ~357g weight and a 12.5:1 compression ratio to match specified combustion characteristics.
Mahle MS Piston Set BMW S54B 87.50mm Bore 91.0mm Stroke 139mm Rod 21mm Pin +9cc 12.5 CR Set of 6
