Cylinder head assemblies are an important component of air compressors, which provide air supply to different parts of the engine where needed Mount Type: Plateform - 4 Hole Mounting Overall Height or Sleeve Length (mm): 38.1 Overall Height or Sleeve Length (in): 1.5 Sleeve Inner Diameter or Thread (mm): 13.1 Sleeve Inner Diameter or Thread (in): 0.52 Distance Between Flange Holes (mm): 65.1 Distance Between Flange Holes (in): 2.56 Width Between Flange Holes (mm): 65.1 Width Between Flange Holes (in): 2.73