Hummel 50 HP 4 Cylinder VW Engine

85.5mm Bore X 69mm Stroke
1600cc Displacement
135 lbs Weight

Hummel 60 HP 4 Cylinder VW Engine

92mm Bore X 69mm Stroke
1835cc Displacement
135 lbs Weight
Aluminum NiCom Cylinders optional

Hummel 76 HP 4 Cylinder VW Engine

92mm Bore X 82mm Stroke
2180cc Displacement
137 lbs Weight
Aluminum NiCom Cylinders optional

Hummel 85 HP 4 Cylinder VW Engine

94mm Bore X 86mm Stroke
2400cc Displacement
137 lbs Weight
Aluminum NiCom Cylinders optional