Mahle MS Piston Set BMW S54B 87.50mm Bore 91.0mm Stroke 139mm Rod 21mm Pin +9cc 12.5 CR - Single

BMW S54 B32 3.2L E46 M3 SINGLE PISTON (930000145) 87.50mm x 32.3mm CH, 91.0mm stroke,139mm rod,21mm pin,-9.2cc,357g.