The Smooth Spring Retrofit Kit for Harbor Freight Frames replaces stock spring hangers and springs with longer, smoother riding springs. Simply unbolt the stock ones, clamp the new ones in place, drill a few holes, bolt them on and no more shaking your trailer to death. 1350 lb GVWR capacity, total weight of trailer and everything in it.

Kit Includes:

• Pair of bolt on replacement spring hangers
• Pair of premium trailer springs
• Shackles and spring bolt kit

Drilling required

Kit Price: $159

Note: We can also reconfigure the Smooth Spring Retrofit Kit springs for a 1050, or 1650 GVWR for an additional $24.  Contact Us if interested.