• Fit Model: The rear air helper spring kit fit for Dodge RAM ProMaster 1500 2500 3500 2014 2015 2016 2017 2018 2019 2020
• Excellent Function: Suspension air helper spring kit can effectively reduce rear end droop, enhance load-bearing capacity, and improve the driver's overall control and ride comfort
• High-quality materials: Springs Rear are made of closed micro-cell polyurethane, with smooth and progressive spring rates and excellent damping performance
• Super Load: Springs are easy to install and can increase the vehicle's ability to carry heavier loads, greatly improving stability during high-speed cornering and strong crosswinds
• Progressive Spring Design: With a very soft initial engagement, it can quickly and efficiently upgrade the suspension system and minimize downtime