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 # 3511-25301 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 3511-25301 fits:
  • 2016 Ford F250 2wd & 4x4
  • 2015 Ford F250 2wd & 4x4
  • 2014 Ford F250 2wd & 4x4
  • 2013 Ford F250 2wd & 4x4
  • 2012 Ford F250 2wd & 4x4
  • 2011 Ford F250 2wd & 4x4

Customer Questions & Answers

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We will respond with an answer ASAP.

Will these be ok for a 2014 Ford Super Duty crew cab?
Yes part # 3511-25301 will fit your 2014 Ford Super Duty crew cab.


  • 5.0 out of 5 Overall
  • 100% reviews recommend this product
Review Product
good product
i highly reccomend this product to anyone. this will give your ride a much better ride and will stop any sag your vehicle may have.
Recommend this Product: YES
2011 Ford F250
– Value
– Quality
– Installation
has worked great so far
This kit has been just fine after the quick install. it has helped a lot pulling my 5000 lb. trailer. it has reduced the sag by about 75%.. been working great, ride is smooth, and lastly a quick install.
Recommend this Product: YES
2013 f250 Ford
– Value
– Quality
– Installation
Great product
Cheapest place I found with shipping better than buying local. Quick to receive also
Recommend this Product: YES
2011 F250 6.7
– Value
– Quality
– Installation
Very easy to install
Driver of truck loved them! said it made the difference of night and day in the handling of the truck on the road!
Recommend this Product: YES
2015 Ford F-250 4x4
– Value
– Quality
– Installation
Does what it says it will do.
Very easy to install took no time at all.
Recommend this Product: YES
2014 F-250 Super Duty
– Value
– Quality
– Installation