In the Timbren Rear Suspension Enhancement System, part # TIR100, the height of the hollow rubber spring is 3-3/4 inches and the width is 3-3/8 inches. I am including a picture that will show where the measurements are taken on the spring.
I am including a link to the installation instructions on the Timbren suspension. view full answer...
I went out and measured the distance between where the legs of the tow bar attach on the Roadmaster Base Plate to Tow Ready Tow Bar Adapter, # RM-025, and the on center measurement is 31 inches.
The distance between the mounting bolt holes that attach to the vehicle base plates is 28-1/2 inches on center.
If you are looking for the overall length it is approximately 34 inches. view full answer...