The Rubicon Express 3.5" /4.5" Super-Flex suspension system for the JL owner who wants a more affordable price. The lower control arms of your JLs suspension are upgraded with our Super-Flex front control arms while the stock upper control arms are retained. The 3.5" Super-Flex system will improve the trail flexibility of your JL while retaining a comfortable street ride. Coil spring rates are perfectly tuned for bump compliance and load handling and are complemented by 2.5" diameter position sensitive piggyback reservior shocks. These shocks are precisely tuned by Rubicon Express to maximize all terrain comfort, overall driver control and stability.
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