Timbren Suspension Enhancement System for 2013 Chevrolet Express 3500 rear delivers a bolt‑on rubber spring that cushions road impacts and self‑adjusts to uneven loads to reduce sag and improve control. Rated for 5600 lbs., the kit installs without drilling or airlines and requires only basic tools. The maintenance‑free rubber design and lifetime warranty provide a durable towing and hauling solution.
Timbren 2013 Chevrolet Express 3500 Rear Suspension Enhancement System