1969-79 (all GM Models ) Standard Fan Spacer 1" Depth GM Part Number 3927794. Fits all non clutch fans. Bolt Spacing 1.5" or Diagonal Across 2.125" These are exact to the factory originals and have all the details - made of aluminum with part number 3927794 - they are the correct size and shape. This is a exact inline tube reproduction of the original.
