Do the exhaust valves from a 1974 volvo 140 fit a volvo penta aq130c?

The exhaust valves from a 1974 Volvo 140 are generally not interchangeable with those from a Volvo Penta AQ130C. While both engines are related, they may have different specifications and designs due to their unique applications (automotive vs. marine). It's best to consult a parts catalog or a specialist to confirm compatibility before making any replacements.