Definition of valve head in English:
The part of a vertically opening valve that is lifted off the valve aperture to open the valve.
- It had a 24 valve head from a 6 series car, complete with twin overhead cams.
- It now has a twin-cam 16 valve head and common rail direct injection is used, along with the usual turbocharger and intercooler.
- This engine, with its more efficient 16 valve head, is actually more economical than the less powerful version.
Definition of valve head in:
- US English dictionary