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Mahle MS forged piston set for BMW S52B engines; set of six. Pistons are specified with an 86.60mm bore, 89.6mm stroke, 135mm rod and 22mm pin, trimmed -5.0cc to yield a 12.5:1 compression reference and include a 4032 note. The matched set supplies the dimensional control required for precise S52B engine rebuilds.
Mahle MS Piston Set BMW S52B 86.60mm Bore 89.6mm Stroke 135mm Rod 22mm Pin -5cc 12.5 CR Set of 6
