Rear Suspension Enhancement System

This SES Suspension Upgrade fits the rear suspension of a Ford F 250 & F 350 pickup truck & cab chassis truck Each laser cut piece of steel is precision bent and powder coated to ensure a quality fit We’ve 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 you’re 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 times This SES Suspension Upgrade replaces the jounce stop on the frame Its unique design ensures superb ride quality loaded or unloaded There should be a 1⁄2" to 1 1⁄2" gap between rubber spring and axle to ensure unloaded ride quality If the truck body is heavy no clearance is necessary We recommend Severe Service kits only be used with a slide in camper salt spreader corner mounted crane or other aerial device In fact any application that requires maximum stability (reducing roll and sway) calls for a Severe Service upgrade Features Eliminate vehicle squatting & sagging Cushion road shocks Improve handling Severe service Eliminate severe body sway & roll Compatibility 1970 2004 Super Duty F350 Cab & Chassis 2005 2013 F250 F350 Superduty Specifications Weight 9 lbs