Timbren

The Timbren FR350SDJ Suspension Enhancement System is a bolt-on, maintenance-free rubber spring kit that provides progressive rear support up to 8,600 lb to reduce sag, roll and sway. This compact SES (Suspension Enhancement System) installs under the factory frame to boost rear-end stability without...

The Timbren GMRCK25D SES Rear Suspension Enhancement System is a bolt-on, maintenance-free helper spring kit that adds up to 8,600 lb of load support to GM Silverado and Sierra rear suspensions while reducing sag, roll and sway. Designed as a direct-fit upgrade for compatible...

The Timbren GMRS15 SES Rear Suspension Enhancement System is a bolt-on, maintenance-free rubber auxiliary spring kit that adds up to 8,600 lb of load support and noticeably reduces sag, roll, and sway when hauling or towing. Designed for heavy-duty truck owners who tow regular...

The Timbren Suspension Enhancement System Rear Kit (DR1500DQ) is a bolt-on rubber spring kit that improves load-carrying stability and reduces sag for 2009–2024 RAM 1500 Crew Cab and Quad Cab trucks. This Timbren kit installs between the axle and frame to provide progressive, vehicle-specific...

The Timbren FR250SDJ Rear Suspension Enhancement System installs under your 2017–2025 Ford F250 Super Duty to stop rear sag, reduce trailer sway, and restore stable handling when towing or hauling heavy loads. If your F250 feels unsteady when loaded or leans under a trailer...

The Timbren FR1504E SES Rear Suspension Enhancement System is a bolt-on rubber suspension kit that adds up to 6,000 lb of progressive load support to reduce sag, roll, and sway without any air lines or maintenance. Designed for heavy-duty daily work and towing, the...

The Timbren GMRCK25D SES Rear Suspension Enhancement System is a vehicle-mounted, maintenance-free rubber secondary suspension that adds up to 8,600 lbs of load-support to reduce sag, roll, and sway while towing or hauling. If you tow heavy loads, carry payloads, or want a firmer,...