On the world's fastest racetracks, on the street, on the toughest outback terrain there is.
When it comes to spring design and durability, King Springs knows
neither compromise nor second best.... these are the cornerstones of our technology, and the reasons  why King Springs are leaders in the replacement and performance automotive spring market.

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Kings Springs exclusively use high quality, high stress X5K spring steel.

This new generation steel allows King Springs to further improve many of their existing designs by reducing the amount of steel required in a spring, making it substantially lighter (by approximately 30%) and reducing the solid height therefore increasing travel. Being of particular benefit at all top levels of Motorsport, this new high stress material was introduced to the leading v8 super car teams (inc HRT, FPR & HSV) in early 2007 giving a hugely successful endorsement of its characteristics & proven durability.

Although considerably expensive, King Springs are progressively introducing this new high stress steel to their passenger car and 4wd designs which benefit the most at no extra cost to the consumer. By mid 2012 basically all of the King Springs range will be made using the X5K material.