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Mahle MS piston set for BBM 540ci applications, offered as an eight-piston set for engine overhaul or build projects. These pistons feature a 4.375in bore with a 4.500in stroke, 7.100in rod and 0.990in pin, with about -8.1cc crown volume, ~510g mass and a 12.3:1 compression ratio aligned to the stated specifications.
Mahle MS Piston Set BBM 540ci 4.375in Bore 4.50in Stroke 7.1in Rod 0.990 Pin -8cc 12.3 CR Set of 8
