Timbren

The Timbren GMRCK25D SES Rear Suspension Enhancement System is an OE-style, rubber spring upgrade that adds up to 8,600 lb of progressive support to GM Silverado and Sierra trucks for reduced sag, roll and improved towing stability. Engineered to bolt in behind the factory...

Timbren GMRCK25D SES Rear Suspension Enhancement System is a bolt-on, maintenance-free rubber helper spring kit that supports up to 8,600 lb to reduce sag, roll, and sway when towing or hauling. The Timbren SES (Suspension Enhancement System) replaces the vague feeling of a heavy...

Timbren GMRS15 SES Rear Suspension Enhancement System is an auxiliary rubber spring kit that adds up to 8,600 pounds of load-support to reduce rear sag, roll, and sway without air lines or maintenance. When hauling heavy loads or towing, factory springs can compress and...

Timbren FR250SDJ Rear Suspension Enhancement System adds progressive rubber springs to your 2017–2025 Ford F250 Super Duty rear axle to reduce sag, sway, and roll when hauling or towing. If you regularly tow trailers, haul heavy loads, or want a firmer, more controlled ride...

The Timbren FR1504E SES Rear Suspension Enhancement System is a bolt-on, zero-maintenance rubber spring kit that supports up to 6,000 lb to reduce rear sag, roll and sway while maintaining factory ride quality. Designed for heavy-duty trucks that tow, haul or carry variable loads,...

The Timbren FR350SDJ SES Rear Suspension Enhancement System is a bolt-on, rubber-cushion upgrade that supports up to 8,600 lb, reduces sag, roll and sway, and requires no maintenance. Designed to improve a truck’s ride and stability under heavy or uneven loads, the Timbren FR350SDJ...

Timbren DR1500DQ rear Suspension Enhancement System is a bolt-on rubber helper spring kit that strengthens the rear suspension of 2009–2024 RAM 1500 Crew Cab and Quad Cab trucks without air lines or complex hardware. This Timbren rear kit is designed to give RAM 1500...