Upgrade your vehicle’s rear suspension with the Timbren TORTUN4 Suspension Enhancement System (SES) Kit. Designed to improve load support and handling, this rear suspension kit provides a weight capacity of up to 6,000 pounds while helping reduce vehicle squatting, sagging, trailer sway, and suspension settling. Timbren’s rubber spring technology automatically adjusts to changing loads and road conditions, helping cushion road shocks for a more stable and controlled ride.
The Timbren TORTUN4 is engineered for straightforward installation and dependable operation. The kit requires no air lines, fittings, drilling, or complicated routing, eliminating common maintenance concerns associated with air suspension systems. It installs using basic hand tools and is designed to deliver long-term, trouble-free performance. The progressive rubber springs engage as needed to support heavier loads without requiring constant adjustment.
Built by Timbren, a leader in rubber spring technology since 1965, this Suspension Enhancement System is a practical solution for drivers who regularly tow or carry substantial loads. It is designed for the rear suspension and fits select Nissan Titan and Toyota Tundra applications, including the listed 2007, 2010, 2011, and 2012 Nissan Titan models. Verify vehicle fitment before installation to ensure compatibility with your specific application. The kit is backed by Timbren’s lifetime warranty for added confidence and lasting value.
Features:






