Single height adjustable coil overs referenced here may need helper springs if extreme lowering is desired however it should be noted that adding helper.
What do helper springs do.
A helper spring is a suspension enhancement product engineered to enhance support and help various types of original equipment suspension.
The main purpose for the helper spring is to keep the main spring properly seated against the suspension upper or lower spring seat.
Helper springs are made to give your vehicle the support it needs when it comes to hauling heavy loads.
We re specifically referring to helper springs like used on ours and many other manufacturer s coilovers.
They are not designed to increase the truck s official load carrying.
Whiteline uses helper springs for a number of reasons.
Helper springs or as some erroneously call them overload springs are designed to supplement the factory rear suspension.
Although it can be tempting to exceed the manufacturer s weight limits don t do it.
These longer springs do improve the ride but that extra spring travel from longer factory leaf springs allows the trucks to move more this makes a big difference with a loaded truck as to how much farther the truck will lean on curves and bounce out of ruts and washboards i used a slide in camper with the test truck because that s the easiest place to notice the lean.
But do helper springs really work.
Unlike leaf springs coil helper springs are actually springs in the technical sense.
The helper spring is not to be confused with a tender spring that may be used in a dual rate setup.
In a tender spring system the specifications of both main spring and tender springs are absolutely critical for the system to work properly.
If you use your truck of suv on a regular basis they can increase both the safety stability and smoothness of your ride as well as lengthen the lif.
Both variations are designed and manufactured in many different styles.
There are two basic types of helper springs.
Helper springs work with leaf spring suspension systems.
They do add a small amount of weight but does not generally impact performance.
For trucks that don t get sufficient lift from leaf springs helper springs can provide the needed boost to keep a vehicle flat when fully loaded.
In a helper spring system as the helper is closed at normal ride height there is minimal spring noise.