The Helper Spring is designed to keep the main spring seated when the suspension is completely unloaded.
The installation of a Helper Spring has no effect on the suspension characteristics of the vehicle. By using the Helper Spring, spring-to-erch gaps of up to 152mm will be covered.
Tender Springs are used in conjuction with a main coilover spring when a sfoter initial rate is desired. Unline Helper Springs, Tenders have rate which will affect the handling characteristics of a car.
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