Overview Product Description Fits 9" and 10" bolt circle. Belly band mount Fits both 5 5/8" diameter motors 4-Prong Mount Designed to effectively isolate and prevent torsional vibrations from reaching blower housing and causing noise. No pre-assembly, Bracket clamps to motor shell. Fits 9" and 10" bolt circle. Belly band mount Replaces Fasco FM554 Product Videos Custom Field Product Reviews