FR350SDJ Rear Air Helper Springs Kit Fit for Ford F-350 Super Duty 2WD/4WD SES 2017-2024, Rear Bump Stop Rubber 1 Pair（Left and Right）

FR350SDJ Rear Air Helper Springs Kit (1 Pair – Left & Right)Part Number: FR350SDJMaterial: Metal & Closed Micro-Cellular UrethaneColor: BlackFinish: Powder-CoatedCompatibility:Designed for Ford F-350 Super Duty 4WD/2WD models (2017-2024).Overview:Upgrade your Ford F-350’s performance with the SES Suspension Enhancement System (FR350SDJ). This rear air helper spring kit optimizes ride quality, minimizes trailer sway, and strengthens stability under heavy loads. Engineered with advanced rubber cushions, it absorbs road shocks and dynamically adjusts to uneven terrain or shifting cargo weights, delivering a smoother, safer driving experience.Key Features:Effortless Installation: No drilling or air line routing required. Bolt directly onto your vehicle using basic tools for a hassle-free, leak-proof setup.Maintenance-Free Durability: Sealed design eliminates air lines and fittings, ensuring zero leaks and lifelong reliability.Enhanced Load Support: Prevents suspension sag, stabilizes cargo, and improves braking efficiency for safer towing and hauling.Adaptive Shock Absorption: Closed micro-cellular urethane cushions automatically compensate for road irregularities, reducing axle-to-frame contact and minimizing bottoming out.

• Compatibility - Specifically designed for 2017-2024 Ford F-350 Super Duty 2WD/4WD (SES), replacing part FR350SDJ to enhance rear suspension performance
• Effortless Installation - Bolt-on design requires no frame drilling. Includes pre-assembled brackets and hardware for DIY or professional installation
• Advanced Material - Constructed with closed micro-cellular urethane for progressive spring rates, 2800 lbs capacity at 50% compression, and superior damping to absorb bumps while maintaining factory ride quality when unloaded
• Multifunctional Support - Boosts load capacity, stability, braking, and steering control. Adjustable air pressure adapts to loads, reduces inter-leaf friction, and prevents axle-to-frame bottoming
• Complete Kit & Warranty - Includes 2 hollow rubber springs, 2 mounts, and hardware. If you encounter any issues with the product, please message us, and we will respond within 24 hours