In an internal combustion engine, the combustion chamber is where fuel is burned to produce power.

In a piston engine the combustion chamber is made up of:

  • piston crown
  • top piston ring
  • cylinder walls
  • cylinder head
  • valve heads


A crossover is a car which spans two different categories - conventional passenger car and SUV. Crossovers have the lightweight construction and good on-road handling of a passenger car, but with some styling and functionality of an SUV.