Piston, Engine

Outside Diameter
Size Mark A: 93.360 mm - 93.370 mm (3.6756 inch - 3.6760 inch)
Size Mark B: 93.371 mm - 93.380 mm (3.6760 inch - 3.6764 inch)
Size Mark C: 93.381 mm - 93.390 mm (3.6764 inch - 3.6768 inch)