Coilover suspension kits are often referred to as coilovers.
Coilover suspension kits are usually dampers (shock absorbers) with adjustable bases "threaded" so the spring base can be adjusted up or down to set the ride height. hence the vehicle can be corner balanced (corner weighted) accurately.
The less expensive forms of coilovers have the spring base adjustable & the attachment foot as well.
This allows the height to be changed at both places & also allows the assembly to be easily changed from car type to car type and allows for less expensive production costs.
Valving however, is not necessarily specific and therefore can perform differently from car to car type.
At East Coast Suspensions, we only recommend & sell KW, Bilstein, H&R & Koni types of coilovers with a fixed lower mounting.
These products are of premium performance and have a range made for street use and a range made for race and motorsport use.
Hence the street range is legal, acceptable for our roads and has a long term life.
The brand such as KW Suspension, have the valving adjustment available for both compression and rebound control individually (compression being the inward stroke & rebound being the extension stroke).
This feature of the coilover, enables the car to be set up for specific purposes and on different "tracks" or can also be utilised when spring rates are changed on the damper units.
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