Have a look at this KTM Duke 390 engine fitted in an underbone!
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This is a Duke Engine
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Engine protection bar black for KTM 790 Duke (2018-) | 5017569 00 01
Junked GM Iron Duke Engines
For the last time, the Iron Duke was not the same engine as the... | Hemmings
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What Was The Iron Duke? | The Daily Drive | Consumer Guide® The Daily Drive | Consumer Guide®
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HRH The Duke of Gloucester opens new road-car production centre at Radical Sportscars' Peterborough HQ
GM 2.5L Iron Duke I4 Engine Guide | Junkyard Mob
Cut-Down Engine of the Week: GM Iron Duke
Cut-Down Engine of the Week: GM Iron Duke
Engine protection bar orange for KTM 790 Duke (2018-) | 5017569 00 06
GM's Unkillable Iron Duke 4-Cylinder Engine Powered Dozens Of Trucks, Cars, and SUVs For Decades | DrivingLine
