I would love to help you upgrade the suspension on your Twilight 2800 travel trailer. The MORryde Rubber Equalizers for Tandem Axle Trailers # MR87ZR that you referenced are a great solution but we do need to double check a few things. First is that this kit is for up to 8K axles with a 33" wheelbase, and then the eyelets measure 6-1/2" apart on center and 3-1/8" down from the hanger (see attached). If this matches what you have then you can use this kit. If this doesn't match what you... view full answer...