The Timbren Suspension Enhancement System for 2011 Ford F-250 Super Duty rear suspension is a bolt-on rubber-spring kit that reduces rear sag, absorbs road shocks, and improves handling when towing or hauling. Rated to 8600 lbs, the kit installs with basic hand tools and requires no airlines or fittings. Hollow rubber springs provide progressive support that firms up as payload increases to maintain stability and ride height.
Timbren 2011 Ford F-250 Super Duty RWD Rear Suspension Enhancement System