Short Shaft Fan Clutch

Got it bolted up. It looks pretty good. The pilot hole is large, so I needed to pick up a .75-.625" reducer bushing for it to fit snug. Not a big deal. Also, as already said, the diameter of the water pump mount is small which makes a portion of the clutch-water pump bolts exposed in the water pump mount slots as seen in the picture. I'm pretty sure it should still work fine, especially with a larger washer.

On the good side, I've got about .625" clearance between the clutch and the 3-row champion radiator.