2003-2013 High Performance Leaf Spring Shackles SWAYBAR 2500 14 22 Uses no solid joints like

Uses no solid joints like Heim joints or solid bushings

This might be why the OEM coils are so stiff

Does not fit OEM leaf springs

2013 2500 4WD

This smooths out off camber bumps

2003-2013 High Performance Leaf Spring Shackles SWAYBAR 2500 14 22 Uses no solid joints likeWhen performance leaf springs are added to your truck, the extension and compression of the leaf springs length can bind up the tight rubber OEM shackle bushing. Removing every bit of friction counts. Thuren Shackles were originally designed as the key component to our Long Travel extended Leafs, but will fit any truck with OEM or aftermarket leafs. As an added benefit, we added the ability to tune the rear suspension height with three mounting