The anti-swivel base on the # C45WR is missing a tab on one side to make it compatible with the sway control tab. This does not adversely impact the performance. You can use the # C40047 with the # D320 but you would have to bend or cut one of the tabs off of the anti-swivel base to make it fit since it is not available without the tab for the 2" ball. view full answer...
The Mount N Lock Safety Struts part # MO22FR can only fit tube frames if they are 4 inches or larger. If yours is 3 inch it would not work. view full answer...
The Timbren Axle Less System item # A35RS545E is somewhat similar to a torsion axle. These mount to the sides of the trailer frame and use a rubber spring that is similar to a torsion spring for suspension. This kit comes with electric brake assemblies and hub/drums that have a 5 on 4-1/2 bolt pattern.
This system does not have any lift or drop. If your torsion axle is using a 2" lift kit you would need to remove it to install the Timbrens.
If you would like a set with a 2" lift you will... view full answer...