![](http://www.alamy.com/thumbs/6/ECFD7E03-AC4C-4581-BE39-BAECDF9C0F91/2DBJ71J.jpg)
The cylinder head from a four stroke petrol engine on its ignition stroke
Size: 3508px × 4961px
Photo credit: © Alan Cotton / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: automobile, cam, camshaft, car, crank, cutaway, cylinder, engine, firing, head, igniting, ignition, isolated, jacket, petrol, piston, plug, power, powerful, shaft, spark, stroke, water, white