Timbren FR350SDJ Suspension Enhancement System

This SES Suspension Enhancement System Upgrade fits the rear suspension of a Ford F-350 pickup truck. Every laser cut piece of steel is precision bent and powder-coated to make sure a quality fit. Timbren has engineered hollow rubber springs to deliver a progressive spring rate. In other words, the more weight that pushes down at the rubber springs the harder they work to prevent rear end sag. Whether you’re pulling a trailer or carrying a heavy load in the bed of your truck, hollow rubber springs adjust routinely to keep the vehicle level always. The SES Suspension Upgrade replaces the jounce stop at the frame. Its unique design provides superb ride quality – loaded or unloaded (There will have to be a 1/2″ to 1-1/2″ gap between rubber spring and axle to make sure unloaded ride quality). Unlike other auxiliary spring systems, the SES Suspension Upgrade guarantees the most productive of both worlds. FR350SDJ replaces the bumpstops at the rear suspension of the 2017-2022 Ford F-350SD 2WD and 4WD pickup truck models. This kit is rated at 8600 lbs capacity. Even supposing you’re increasing the spring rate by adding this upgrade, this doesn’t increase the GVWR (Gross Vehicle Weight Rating). Please make certain that the load does not exceed the GVWR set by the manufacturer.

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