Add these 2 heavy-duty shock absorbers to your Roadmaster Comfort Ride kit for tandem-axle trailers (RM-2470) to upgrade the suspension on your triple-axle trailer. Mounting brackets and hardware are included. Fits 3-1/2" axles. Add-on shock kit adapts your Roadmaster Comfort Ride system (RM-2470) for use with a triple-axle trailer. Bolt-on installation. Included tie plates with extension pieces replace your existing U-bolt plates. Upper brackets mount on trailer frame with included hardware. Shocks attach to tie plate extensions and to upper brackets to help dampen movement of axle. Application: triple-axle trailers with leaf spring suspensions. Axle size: 3-1/2" diameter (typical 8,000-lb axle). Shock length: Extended: 17-1/2", Compressed: 11-1/2". Quantity: 2 shocks

 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