Description

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 # 3512-25312 is custom fit for the GMC Sierra 3500HD
  • 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 GMC Sierra 3500HD 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 3512-25312 fits:
  • 2015 GMC Sierra 3500HD 4x4 & 2wd
  • 2014 GMC Sierra 3500HD 4x4 & 2wd
  • 2013 GMC Sierra 3500HD 4x4 & 2wd
  • 2012 GMC Sierra 3500HD 4x4 & 2wd
  • 2011 GMC Sierra 3500HD 4x4 & 2wd

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