Governors are an important component of air compressors, which provide air supply to different parts of the engine where needed Mount Type: Two-Piece - Symmetric Head Outside Diameter (mm): 94.7 Head Outside Diameter (in): 3.73 Head Thickness (mm): 28.6 Head Thickness (in): 1.13 Pilot Outside Diameter (mm): 56.6 Pilot Outside Diameter (in): 2.23 Inside Diameter (mm): 20.5 Inside Diameter (in): 0.81 Mount Height (mm): 38.1 Mount Height (in): 1.5 Bonded Sleeve: Yes