The Replacement Split Bushing # RM-205212-10 that you referenced is a fit for the Roadmaster anti-sway bars with 1-5/8" diameter bars and has the following dimensions:
Bar Diameter - 1-5/8"
Height - 2-7/8"
Length - 3-7/8"
Width - 3-1/4"
I have attached a photo for you to use as a reference as well. view full answer...
The dimensions of the Progressive Dynamics Pure Sine Wave Inverter w/ Transfer Switch # PD94FR that you referenced are 11-1/4" long front to back x 6-5/8" wide from left to right x 4" tall. view full answer...