Upgrade your truck's load-carrying performance with the Rear SES Suspension Enhancement System for 1977–1986 Chevrolet K30 and 1979–1986 GMC K3500. Designed to provide superior rear suspension support, this SES (Suspension Enhancement System) helps reduce rear-end sag, improve vehicle stability, and deliver a smoother, more controlled ride when hauling heavy cargo or towing trailers.
Whether you're using your truck for commercial work, farming, off-road adventures, or recreational towing, this rear suspension enhancement system offers dependable support without compromising everyday driving comfort. The advanced microcellular urethane springs engage progressively as the load increases, helping maintain proper ride height while reducing excessive suspension movement.
Unlike traditional air helper springs, this maintenance-free system requires no air lines, compressors, or pressure adjustments. Once installed, it works automatically to improve load control, reduce sway, minimize bottoming out, and increase overall driving confidence. Built from high-quality, durable materials, it is designed to withstand demanding road conditions and provide years of reliable performance.
Compatible with select 1977–1986 Chevrolet K30 and 1979–1986 GMC K3500 models, this rear SES kit is an excellent solution for truck owners seeking improved suspension performance, enhanced towing stability, and better control under heavy loads.