Heavy Duty Trailer Shackle Upgrade Kit With 3.125 Inch Shackles For Tandem Axle RVs Replaces UO12 021 Durable Tin Bronze Bushings And Lubricated Bolts For Stronger Running Gear On Rough Roads And Smoother Rides

Heavy Duty Trailer Shackle Upgrade Kit for Tandem Axles
✔️ Single kit for tandem axle RVs: 3.125 in shackles included

The Heavy Duty Trailer Shackle Upgrade Kit strengthens the running gear on tandem axle trailers and RVs, helping handle rough roads and heavy loads. The kit uses thicker shackles, tin bronze bushings, and lubricated bolts to reduce wear and extend service life.

✅ 3.125 in shackles (79.4 mm) for strong load handling
✅ Tin bronze bushings for longer life and reduced wear
✅ Thicker shackles plus greasable bolts and nuts for smoother operation
✅ Includes shackle brackets and replacement parts for tandem axle RVs

💡 What is a heavy duty trailer shackle upgrade kit used for?

This handy upgrade strengthens trailer suspension for rough roads and heavy loads.

- Improves load handling on uneven surfaces - Replaces worn components with thicker shackles, tin bronze bushings, and greasable bolts - Designed for tandem axle trailers and RVs to extend life and reduce maintenance - Provides smoother rides by reducing play and wear