Timbren Industries GMFK15A SES Suspension Enhancement System

The Timbren Industries GMFK15A SES (Suspension Enhancement System) is a hydraulic rubber suspension upgrade designed to improve vehicle stability and load-leveling performance when towing or hauling heavy loads. This system uses Aeon hollow rubber springs that activate progressively under load, providing additional support without affecting unloaded ride quality.

Key Features:

• Hollow rubber spring design provides progressive cushioning and load support
• No air lines, compressors, or maintenance required
• Installs in approximately 30 minutes with basic hand tools
• Works independently of existing suspension system
• Helps eliminate squat, sway, and rough ride when loaded
• Engineered to last the lifetime of the vehicle
• Made from natural rubber compound for durability and resilience

The SES system mounts between the frame and axle, engaging only when additional support is needed. When unloaded, the vehicle maintains factory ride characteristics. Under load, the Aeon springs compress to provide firm, consistent support that improves braking performance, steering control, and overall safety.