Hellwig 1915 (EZ-990) Helper Springs Installation Guide for Ram ProMaster

Welcome to Northwest Overland’s installation help center. This guide is designed to assist DIY installers and professionals alike with the proper setup of Hellwig 1915 (EZ-990) helper springs on a Ram ProMaster van. These progressive-rate leaf springs help reduce sag, improve load handling, and stabilize ride quality under weight—an ideal upgrade for overland rigs and camper conversions.

🔧 Vehicle Compatibility

Hellwig 1915 (EZ-990) is compatible with:

  • Ram ProMaster 1500, 2500, and 3500
  • Model years: 2014–present
  • Rear-wheel drive (RWD) configurations
  • Fits both cargo and passenger vans with factory leaf springs
Hellwig EZ-990 Helper Springs – for Ram ProMaster 2014 – 2025

⏱️ Estimated Labor Time

  • DIY install: 1.5 to 2 hours
  • Professional install: 1 to 1.25 hours
  • Difficulty Level: Moderate
    No drilling or fabrication required, but proper torque and clearance are important.

🛠️ Required Tools & Equipment

  • Floor jack and jack stands or lift
  • Socket and wrench set (typically 3/4″, 9/16″, 1/2″)
  • Torque wrench
  • Measuring tape
  • Pry bar (helpful for leaf spring alignment)
  • Safety glasses and gloves

📦 What’s in the Kit

  • (2) EZ-990 leaf springs (Hellwig 1915)
  • U-bolts and brackets
  • Spacer plates
  • Mounting hardware
  • Installation instructions (PDF included in box)

đź“ť Installation Overview

1. Preparation

  • Park the van on a flat, level surface.
  • Engage the parking brake and chock front wheels.
  • Raise the rear of the van and support securely with jack stands under the frame.

2. Factory Leaf Spring Check

  • Ensure that factory leaf springs are in good condition.
  • The Hellwig EZ-990 installs above or below the factory leaf, depending on load preference and clearance.

3. Mounting the Helper Spring

  • Place the Hellwig spring parallel to the factory leaf.
  • Use included U-bolts and brackets to clamp the helper spring to the factory pack.
  • Start with the recommended neutral preload setting (springs just making contact, not engaged).

4. Fine-Tuning

  • Adjust bolt tension based on your load (camper build, gear, etc.).
  • For heavier builds, preload the spring slightly for better support.
  • Always torque U-bolts to spec (typically 50–70 ft-lbs—check Hellwig instructions).

5. Final Steps

  • Double-check all hardware for proper torque.
  • Lower vehicle and test ride for clearance and handling.
  • Re-torque hardware after 100 miles.

⚠️ Tips & Safety Notes

  • Do not exceed vehicle GVWR. These springs assist but do not increase your weight rating.
  • Periodically inspect hardware, especially on rough terrain.
  • Use anti-seize on U-bolts if installing in high-salt or coastal regions.

📸 Want to Show Off Your Build?

Tag us on Instagram @northwest_overland or send us photos of your install. We love seeing how our community uses their vans in the wild.

đź“ž Need More Help?

Questions about fitment, tools, or tuning your helper springs for a camper setup?
Reach out to us at support@northwest-overland.com — we’re here to help!