Coil spring insert air springs fit right into the coil springs that come with your vehicle, which was designed for a smooth ride in the absence of a heavy load. As soon as you add weight to your ride, however, the factory-made springs don’t do a whole lot to stabilize and control your journey.
That’s why you might consider adding Air Lift 1000 or Air Lift 1000 HD air spring to your coils – with a simple installation and great results, why wouldn’t you go for it?
Sleeve-style and bellows-style air springs bolt onto the frame of your vehicle, and act separately from the factory suspension. Air bags, on the other hand, fit into your factory coil springs and work both with and against them in order to help you achieve the maximum ride comfort and handling capacity. As you add load weight, the coil spring naturally crushes down so that the coils are closer together. As the coil spring reacts to the weight of your load, the air bags react to the coil springs and give them a little extra support by expanding outward in order to fill the space between the individual coils.
You know that space between each coil ring on a spring? That space is called “pitch.” If that doesn’t make sense, imagine a Slinky sitting on a tabletop. The coil rings are all resting on each other, with no space in between them. In other words, the pitch is non-existent. If you grabbed one end of the Slinky and ran away from someone who’s holding the other end, the pitch is increasing—since the coil rings are stretching further and further away from each other.
When the pitch decreases with regard to the coil springs on your vehicle, that’s when you need air bags to help you out. The air bags’ job is to get in the way of those coils by taking the place of the pitch, or the empty space; it fills in the spaces and doesn’t let your vehicle bow down as much as it would without that extra support.
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