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
- SSA39: Sold as a pair (2) 3400 (lb) Additional Load-Leveling Ability
- SSA39.5: Sold as each (1) 1700 (lb) Additional Load-Leveling Ability
- Capacity: 3400 (lb) Capacity at 50% Compression
- Height: 0.63''
- Length: 43''
- Width: 3''
- Maintenance-free
- Self-adjusting suspension stabilizing system
- 3400 (lb) Additional Load-Leveling Ability
- Reduces body roll up to 30% without compromising ride quality
- Works in conjunction with original equipment leaf spring assembl
- 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 |