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Mahle MS forged piston set for BMW S54B engines. This set of six pistons is specified with an 87.00mm bore, a 21mm wrist pin and a -13.1cc combustion volume, resulting in an 11.5:1 compression ratio; piston mass is listed near 337g. The package includes stroke (91.0mm) and rod length (139mm) dimensions to assist accurate engine rebuilding and fitment verification.
Mahle MS Piston Set BMW S54B 87.00mm Bore 91.0mm Stroke 139mm Rod 21mm Pin -13.1cc 11.5 CR Set of 6
