Redline Trailer Suspension 117581 Review Video

You can lift your 2009 Mobile Suites 5th Wheel trailer, but since you have 8000-lbs Dexter Axles that are 3-1/2" diameter, the Dexter Trailer Springs Over-Under Conversion Kit #K71-385-00 will not work since they are only designed for 3"…

We do have 3-1/2 inch u-bolts with the part #175666 for axle attachment. The diameter of the stud is 9/16 inch.

There are a couple of things that you can do to get more ground clearance for your new trailer. First, if the leaf spring stack is attached under the axle then you could use an over/under conversion kit. If the trailer has a 2-3/8 inch diameter round…

I have two options for you to raise your trailer and gain more clearance between the fender and tire. The most cost effective option would be to flip the axles with a Dexter Trailer Springs Over-Under Kit part #K71-384-00 or part #K71-385-00. That…

Yes, you can use a Dexter Trailer Springs Over-Under Conversion Kit #K71-385-00 like you referenced to gain a little ground clearance. This product will allow you to move the axles of your trailer from above the leaf springs to below the leaf springs…

If your trailer has an adjustable coupler and you have already tried adjusting it to the proper height for towing level, then you could install a cost effective over-under conversion kit on your trailer. Keep in mind that changing your trailer…

The distance between the holes of the U-Bolt Plate part #117581 are 3-1/2 inches long ways and 2 inches short ways measured from closest part of the hole to closest part of the other hole since this is designed to fit a 3-1/2 inch diameter axle and a…

There is no specific torque rating for shackle bolts. Basically for the middle bolt there should be enough free play in the shackles to allow them to move. Tightening the shackle bolts too much will squeeze the shackle straps against the leaf springs…

Double eye leaf springs like the part #e84SR do not have a front or back designation. Slipper springs like the part #e29SR do have a front and back.

The U-Bolt Plate for 3-1/2 inch Diameter Round Trailer Axles #117581 is 1/4 inch thick.

The best way to determine if a vehicle with an automatic transmission can be flat towed is to consult the owners manual under the towing section to see what restrictions they list for the vehicle. Some vehicles only require that the vehicle be put in…

There should be enough free play in the shackles to allow them to move. There is no specific torque rating for shackle bolts. The first thing you should make sure of is that the bolts you use are long enough so that when installed you will have at…