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Flex And Bend Bushing Upgrades Four Link Suspension

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The front four-link on our solid-axle Avalanche has four parallel links, and these all run a Heim at one end and a Ballistic bushing at the frame end with a 5⁄8-inch bolt. A four-link like this will bind with all Heim joints so at least one end of the link should have bushings. The track bar is built with a solid Heim joint for minimal movement side to side.