Mahle MS piston set for BMW S55 includes six pistons sized for an 84.00mm bore with a 89.6mm stroke, 144.35mm rod length, 22mm wrist pin and a -10.5cc combustion chamber producing a 10.2:1 compression ratio. The spec lists 2618 material. This set supplies dimensionally matched pistons for S55 engine rebuilds that require these exact measurements and material designation.
Mahle MS Piston Set BMW S55 84mm Bore 89.6mm Stroke 144.35mm Rod 22mm Pin -10.5cc 10.2CR Set of 6