Shock Bushings

I am in the process of going thru my rear brakes, E-brake cables and general cleaning up. I notice that the rear shock lower bushings are history. It has Koni shocks on the rear. The shock eye measures 1.600" and the ID of the bushing should be close to 1.00" Any one have an idea where to get some bushings that would repace the worn out ones? I have looked every where that I can think and can find nothing close that exact size. Thanks