When you look at an animation of a four-stroke combustion process, you'll see the Chevy Truck Piston as the component that moves up and down inside the cylinder as different strokes happen.
Cheap Parts damage can cause engine failure.
When the Factory Part reaches the top, the spark plug fires, causing an explosion inside the engine.
Combustion happens inside the engine cylinders, and at the heart of each cylinder is a Chevy Truck Piston.