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Mahle MS piston set for the BMW S54B sold as a set of six pistons for engine refurbishment or replacement. The pistons are 87.50mm bore with a 91.0mm stroke, 139mm rod and 21mm pin, featuring approximately -29.0cc crown volume, ~334g mass and a 9.1:1 compression ratio to restore correct displacement and combustion chamber volume.
Mahle MS Piston Set BMW S54B 87.50mm Bore 91.0mm Stroke 139mm Rod 21mm Pin -29cc 9.0 CR Set of 6
