Timbren FRTT350J SES Severe Service Rear Suspension Enhancement System - 8,000 lb Load Support for Truck Campers & Top-Heavy Loads | Reduces Sag, Sway & Roll | Zero-Maintenance | Easy DIY Install

Timbren FRTT350J Timbren FRTT350J SES Severe Service Rear Suspension Enhancement System - 8,000 lb Load Support for Truck Campers & Top-Heavy Loads | Reduces Sag, Sway & Roll | Zero-Maintenance | Easy DIY Install Maximum Stability for Top-Heavy Loads - Built specifically for truck campers, salt spreaders, and other high center-of-gravity loads. The single-convoluted Aeon spring delivers aggressive weight resistance to eliminate squat, sway, and body roll for safer, more confident handling., Smooth & Controlled Highway Handling - No more white-knuckle driving in crosswinds. As your load increases, the progressive spring rate pushes back harder, keeping your vehicle level, centered, and stable - even with demanding truck camper setups., Comfortable Ride When Unloaded - Engineered with a ½"–1½" gap between the rubber spring and the frame, allowing your truck to ride normally when empty. Enjoy maximum stability only when you need it., Zero-Maintenance Reliability - No air bags, hoses, or compressors to fail. Timbren SES severe-service kits require absolutely no upkeep after installation and outperform foam or air systems in all weather conditions., Heavy-Duty 8,000 lb Load Support - Designed for the toughest hauling scenarios. The ultra-durable Aeon rubber compound delivers long-lasting performance under extreme weight, temperatures, and road conditions., Fast, Easy DIY Installation - Installs using existing factory mounting points with no drilling, no air lines, and no special tools. Most users are ready to haul in under an hour right from their driveway.