Mahle MS forged piston set for BMW S52B engines; set of six. Each piston lists an 86.60mm bore, 89.6mm stroke, 135mm rod and 22mm pin, trimmed -11.0cc with an 11.3:1 compression reference and a 4032 designation. These pistons provide the dimensional specs necessary for accurate S52B rebuilds where the stated compression and volume are required.
Mahle MS Piston Set BMW S52B 86.60mm Bore 89.6mm Stroke 135mm Rod 22mm Pin -11cc 11.3 CR Set of 6