In stock


$539.99Ships in 1-2 weeks
  • Sold as a pair (left and right).
  • Maintenance-free
  • Enhances load carrying ability
  • Coil capacity increased by 15% to 30% &  2800 (lb) Rear Capacity at 50% Compression
  • Reduces and stabilizes sway
  • Improves overall driver control and ride comfort
  • Compress up to 80% of original height with full memory rebound
  • One-piece unit attached on one side used as a replacement/upgrade to factory bump stops
  • Progressive spring rate with superior damping properties
  • Made from proprietary and patented microcellular urethane
  • Will not leak or rupture
  • Never load any vehicle beyond the manufacturer’s GVWR

Please Note: SuperSprings International products are specifically designed for vehicles equipped with factory suspension. We cannot guarantee their compatibility with aftermarket products or parts. For questions about fitment on your specific vehicle, please contact us.

Han Tunca
2023-06-13 09:52:10

Great tracking on shipping. Brought the parts over to a local shop who installed without a problem. Makes the van feel a lot more stable.

Jim Jehnings
2023-04-18 09:11:38

Quick shipping & easy install… huge improvement in handling & ride!

Nancie Ludwig
2023-04-18 09:10:51

The sumo springs were easy to install and made a great difference in the van's stability and handling.

Charles Koons
2023-03-14 09:34:26

Super easy to install and dramatic improvement in the ride.

Charles Koons
2023-03-08 09:17:07

Super easy to install with immediate results with better stability and a better ride.

Rob Wachtler
2022-12-21 12:42:18

Easy install

Brent Krizo
2022-11-15 10:54:48

ordering was simple and straight forward. I appreciate it.

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Customer Reviews

7 ratings for the K-30-009
5 out of 5

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Product Specifications

Weight 8 lbs
Dimensions 13 × 9 × 11 in
Application(s) Summary

RAM ProMaster 3500 4 X 2 (2015-2023)


Front coil capacity increased by 15% to 30%. Rear Capacity 2800 (lbs) at 50% compression.