Isolation mounts are used to attach and position systems, accommodate displacement, and isolate components from the surrounding structure (vibration, shock, noise). Mount Type: Two-Piece - Symmetric Head Outside Diameter (mm): 114.3 Head Outside Diameter (in): 4.5 Head Thickness (mm): 33.5 Head Thickness (in): 1.32 Pilot Outside Diameter (mm): 62.7 Pilot Outside Diameter (in): 2.47 Inside Diameter (mm): 32.3 Inside Diameter (in): 1.27 Mount Height (mm): 44.7 Mount Height (in): 1.76 Bonded Sleeve: Yes