Add Yahoo as a preferred source to see more of our stories on Google. The bore of a cylinder (along with the stroke and the number of cylinders in the engine) is what determines displacement.

The heart of a hydraulic piston pump, called a cylinder block or rotor, starts as a turned blank up to eight inches diameter. Then, nine circumferential piston bores from 0.1875 to 1.5 in. (4.8 - 38.1 ...

You may think that the pistons in your car’s engine slide in and out of the cylinder bore holes smooth as silk, but according to researchers from Germany’s Fraunhofer Institute for Machine Tools and ...

Diamond stones in Sunnen’s 12-stone honing head have been a great aid in achieving good bore geometry on the total cylinder length, Ferri says. "Winning finish" has a dual meaning for Elite ...