Part Number: 9101-7871-125 Used on: Snow mobile Cylinders Cylinder Design: Single Bore: 78.0 Stroke: 71.0 Rod: 125.0 Displacement: 1017.7935768 Number of Cylinders: 3 Piston Number: 2379M07800 Head Volume: Wrist Pin Size 18.0 Base Gasket Thickness 0.02