Motor Mounting Base Compatible Motor Diameter 4.4 in Compatible Ring Diameter 2 1/2 in Mounting Bolt Hole Spacing Length 1 3/4 in Mounting Bolt Hole Spacing Width 4 1/4 in Ring-to-Ring Distance 4 1/4 in Includes (2) Clamps Gray Color Overall Height 3 3/8 in Overall Length 4 3/8 in Overall Width 6 in