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  • Jspec TJ Suspension System
  • Flex Connect
  • JKS J-Cal Programmer

Designed & Manufactured To A Higher Standard


  • Sep 01 2015 JKS at the 2015 Timber Crawl! JKS was proud to be a part of the 2015 Timber Crawl in Kalamazoo, MI organized by DC Strong. This year we sponsored DC Strong's Cancer Response Unit #117, a 2009 JK Unlimited, with a JSpec 3.5" Suspension System and a Flex Connect. The event was a great success with over 500 participants! We encourage you to look up and support this awesome organization at www.dcstrong.com . Check out this... »
  • Aug 26 2015 Flex Connect Real World Demo! Check out our latest video of the Flex Connect in the real world. We drove our 2 door JK into the desert and crawled around some rocks to test the Flex Connect in the real world so people can see what it's all about. In the video you'll be able to see the process of changing out the springs, the articulation with the Crawl springs in the Flex Connect Performance Spring Kit in the Flex connect,... »