Timbren GMRCK15S Suspension Enhancement System

This SES Suspension Enhancement System Upgrade fits the rear suspension of a Chevrolet Silverado 1500 and GMC Sierra 1500 pickup truck. Each and 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 on 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 automatically to keep the vehicle level all the time. The SES Suspension Upgrade replaces the jounce stop on the frame. Its unique design provides superb ride quality – loaded or unloaded (There must 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 efficient of both worlds. GMRCK15S only fits models with the usual suspension package. This kit does not fit models with Magneride suspension or Adaptive Ride Regulate suspension packages. 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 be sure that the load does not exceed the GVWR set by the manufacturer.

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