See Also: Hemi Head - Motor Sports(gambling)
Hemi - Motor Sports(gambling)
I-Head - Motor Sports(gambling)
L-Head - Motor Sports(gambling)
F-Head - Motor Sports(gambling)
T-Head - Motor Sports(gambling)
Head Wrench - Motor Sports(gambling)
Head Sock - Motor Sports(gambling)
Cylinder Head - Motor Sports(gambling)
Head Room - Motor Sports(gambling)

Hemi Head - Motor Sports (gambling)


A hemispherically shaped combustion chamber at the top of the engine cylinder. The hemispheric shape provides improved efficiency because the forces of the explosion are directed to the piston by the curved surface of the combustion chamber.