Hey everyone!  Back again with another bit of info regarding our S.Tech and High Tech lowering springs.

Both spring lines are manufactured with progressive springs rates which would differ from OE springs found on vehicles or any standard springs found on most coilover kits. 

 Progressive springs usually have two different spring rates – one softer, easily compressible rate and one stiffer or main spring rate.

The softer portion of the spring is actually not felt at all as it is designed with the idea to place a light load on the shock absorber when fully extended. Once load is placed on  the spring , the softer portion of the spring fully compresses  leaving the main spring rate to support the load. Silencer Rubbers are used in these locations to help in reduce  any sounds of coil binding that can be produced during normal operation. 

A common misconception about progressive springs is that they will change in rate during operation, gradually becoming stiffer as the springs compresses. Again, the main purpose of the progression is to allow some preload to the shock absorber assembly when fully extended (so that the spring isn’t loose in its mount).

I hope this was able to clairify any questions those may have had regarding TEIN S.Tech or High Tech lowering springs.