Neopaftu Pair TSS-106-40 Trailer Helper Suspension Springs – Fits Axles with 3,000-8,000 lbs GAWR – Heavy Duty Leaf Spring Enhancement Kit – Reduces Sway & Squat – 2 Pack

["【🚛 BROAD COMPATIBILITY】 Designed for versatility, these helper springs are compatible with trailer axles having a Gross Axle Weight Rating (GAWR) of 3,000 to 8,000 lbs. Ideal for boat trailers, cargo trailers, campers, and utility trailers requiring additional rear support.","【💪 HEAVY DUTY PERFORMANCE】 Upgrade your towing setup with confidence. Manufactured from high-strength steel, these springs provide a progressive spring rate that engages only when needed. They effectively reduce rear-end squat and body roll, ensuring a smoother, safer towing experience.","【🛡️ ENHANCED STABILITY】 Eliminate dangerous trailer sway. By stiffening the suspension during heavy loads, the TSS-106-40 kit significantly improves handling and control, reducing the risk of sway caused by crosswinds or passing trucks.","【🔧 MAINTENANCE-FREE DESIGN】 Built for the long haul. Unlike air bag systems that can leak or require compressors, these mechanical leaf springs are completely maintenance-free. Once installed, they require no monitoring, air pressure checks, or special care.","【✅ COMPLETE PAIR】 This listing includes 2 x TSS-106-40 Helper Springs (Left & Right). Sold as a set to ensure balanced load distribution and symmetrical suspension performance across your trailer axle."]