Hellwig 3500 lbs heavy duty helper spring kits give you the benefit of maximum level payloads! Using easy to mount ubolt clamps, these heavy duty helper springs mount on top of your existing stock rear leafs springs. Designed to prevent excessive body roll, helps to restore sagging leaf springs and stabilizes your vehicle for a mored controlled ride when towing or hauling.

Features and Benefits

  • Hellwig # 3520-25300 is custom fit for the Ford F250
  • Heavy Duty 3500 lbs level load capacity helper springs
  • Get for helping to support heavy load when towing or hauling
  • Includes passenger & driver side helper springs
  • Includes all required mounting hardware
  • Virtually eliminates sagging springs
  • Fully adjustable in order to insure improved leveling control
  • Simple bolt-on installation

Installation Notes

Never load your Ford F250 beyond the manufacturer's maximum gross vehicle weight rating.

Tech Specs

Level Load Weight Capacity: 3500 lbs.
Average Install Time: 1 to 2 hours
Drilling Required: NO
Items Included: (2) Hellwig 3500 lbs Helper Springs, and all required mounting hardware
Weight: 75 lbs.
Part 3520-25300 fits:
  • 2007 Ford F250 4x4 & 2wd
  • 2006 Ford F250 4x4 & 2wd
  • 2005 Ford F250 4x4 & 2wd
  • 2004 Ford F250 4x4 & 2wd
  • 2003 Ford F250 4x4 & 2wd
  • 2002 Ford F250 4x4 & 2wd
  • 2001 Ford F250 4x4 & 2wd
  • 2000 Ford F250 4x4 & 2wd
  • 1999 Ford F250 4x4 & 2wd

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  • 4.5 out of 2 Overall
  • 100% reviews recommend this product
Review Product
It works great on my f-250 and gives me a much smoother ride. install went nice and easy. good kit.
Recommend this Product: YES
2007 f250
– Value
– Quality
– Installation
nice addition
Did just what i wanted it to do, it leveled out my f-250 perfectly. the instructions were just fine, it showed me exactly how to install this, perfect fit onto my ford F250.
Recommend this Product: YES
Ford F250 2004
– Value
– Quality
– Installation