Timbren SES Rear Suspension Enhancement System for 2015-2021 Ford F-150 2006-2007 6.6l lbz duramax allows for maximum flow and

allows for maximum flow and low turbulence

0 lbs / 14

2018-2023 Lincoln Navigator

Fits all GM 4-speed Automatic Transmissions

Timbren SES Rear Suspension Enhancement System for 2015-2021 Ford F-150 2006-2007 6.6l lbz duramax allows for maximum flow andEach laser cut piece of steel is precision bent and powder coated to ensure a quality fit. Weve engineered our 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 youre pulling a trailer or carrying a heavy load in the bed of your truck, our hollow rubber springs adjust automatically to keep the vehicle level at all