SuperSprings® are a unique and patented self-adjusting suspension stabilizing system for vehicles with rear leaf springs, designed to level loads and reduce body roll. SuperSprings® provide users extra load support and reduce body roll without compromising ride quality. They are manufactured using a variety of different sized springs to support multiple applications. All SuperSprings® are manufactured in the U.S.A. from SAE5160H high grade, shot peened steel.
SuperSprings for Isuzu NPR, Mitsubishi Fuso FE-160|FE-180, GMC W3500|4500|5500
Capacity: 2500 (lb) Capacity at 50% Compression
Height: 0.56''
Length: 43''
Width: 3''
Sold as a pair (left and right)
Maintenance-free
Self-adjusting suspension stabilizing system
2500 (lb) Additional Load-Leveling Ability
Reduces body roll up to 30% without compromising ride quality
Works in conjunction with original equipment leaf spring assembly
Adjustable shackles allow installation to suit various needs
Typical installation completed in approximately one hour
SAE 5160H high-grade steel
Shot peened to relieve spring stress and extend product life
Never load any vehicle beyond the manufacturer's GVWR
Application(s) Summary:
| Make |
Model |
Year |
Drivetrain |
| Chevrolet |
W3500 Tiltmaster |
2000-2009 |
4 X 2 |
| Chevrolet |
W4500 Tiltmaster |
2000-2010 |
4 X 2 |
| Chevrolet |
W5500 Tiltmaster |
2000-2010 |
4 X 2 |
| Chevrolet |
W5500HD Tiltmaster |
2004-2009 |
4 X 2 |
| GMC |
W3500 Forward |
2000-2008 |
4 X 2 |
| GMC |
W4500 Forward |
2000-2010 |
4 X 2 |
| GMC |
W5500 Forward |
2000-2010 |
4 X 2 |
| GMC |
W5500HD Forward |
2004-2009 |
4 X 2 |
| Isuzu |
NPR |
2000-2025 |
4 X 2 |
| Mitsubishi |
Fuso Canter FE160 |
2012-2017 |
4 X 2 |
| Mitsubishi |
Fuso Canter FE180 |
2012-2017 |
4 X 2 |
| Mitsubishi |
Fuso FE180 |
2005-2011 |
4 X 2 |