Bosch Injectors

Probably the most common type in use. Fuel goes in the top and exits out a single hole in the bottom. Most have a high impedance coil and uses a tapered needle (pintle) that seals into a tapered seat until energized.
Newer style, this one is out of a Mustang
Stands for (continuous injection system). Basically a spring loaded valve that pops open when a pressure is reached. The fuel flow is controlled by a fuel distributor.

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