Mahle MS piston set for BBM 499ci (alternate spec), sold as a set of eight pistons for V8 rebuilds. These pistons list a 4.375in bore with a 4.150in stroke, 6.760in rod and 0.990in pin, with about -8.1cc crown volume, ~466g weight and an 11.4:1 compression ratio to match the documented engine dimensions.
Mahle MS Piston Set BBM 499ci 4.375in Bore 4.15in Stroke 6.76in Rod 0.990 Pin -8cc 11.4 CR Set of 8