Fresh leveling springs only help if they hold their height. The Synergy Super Duty diesel leveling springs raise the front of the truck 2.5 inches with a progressive, dual rate wind that gives a soft ride while adding bottoming resistance. They are pre-set, so they do not sag over the life of the spring, and they drop into the stock location with no modifications. They are black powder coated and made in the USA. In the Synergy leveling kit they provide 9 3/4 inches of travel. Fit the pair, set the height, and the front end stays level.
MPN 8663-25
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