3" axle tube 5.2-8K. For Cargo, Travel Trailers and 5th Wheels built without suspension shocks. This easy do-it yourself kit contains: 2-HD Gas Shocks, 2-Bolt On Shock Mounts, U-Bolts, Nuts, Tie Plates, Installation instructions. This affordable kit will dramatically improve your ride, reducing road shock and vibrations.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov