Hellwig #3512-25312 heavy duty 3500 lbs GMC Sierra 3500HD 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 your GMC Sierra 3500HD from excessive body roll, helps to restore sagging springs and stabilizes your GMC Sierra 3500HD for a controlled ride.
- Hellwig # 3512-25312 is custom fit for the GMC Sierra 3500HD
- Heavy Duty 3500 lbs level load capacity GMC Sierra 3500HD helper springs
- Includes helper springs for passenger & driver side leaf springs
- Includes all required mounting hardware
- Virtually eliminates sagging springs
- Fully adjustable in order to insure improved leveling control
- Simple bolt-on installation
Fits the Following Model:
GMC Sierra 3500HD 4x4 & 2wd
Fits the Following Years:
11, 12, 13
2011, 2012, 2013
Never load your GMC Sierra 3500HD beyond the manufacturer's maximum gross vehicle weight rating.