Need help with PTO fittings

[Knight]

I want to install a slip clutch on a Harley rake. I think the best place would be on the gear box input.
I have a 1" keyed shaft on the input gear box which the drive shaft connects to now.
All the clutches I see have 1-3/8" fittings.
How can I go from PTO Shaft to clutch then to 1" keyed shaft?
I think I can get a clutch with universal joint attacthment on the tractor side, but then I have to go back to 1"keyed.

 

[leonz]

I want to install a slip clutch on a Harley rake. I think the best place would be on the gear box input.
I have a 1" keyed shaft on the input gear box which the drive shaft connects to now.
All the clutches I see have 1-3/8" fittings.
How can I go from PTO Shaft to clutch then to 1" keyed shaft?
I think I can get a clutch with universal joint attacthment on the tractor side, but then I have to go back to 1"keyed.

You can go to agrisupply.com or TSC to find the parts you need.