8 1/4 - 8 3/4 Shock Plates

I need to sell a pair of shock plates that are from an 8 1/4 rear axle but should also work on an 8 3/4. They have been sand blasted and primered the part numbers are 1856346 & 1856347. $55 shipped within the lower 48. I work nights so it may take me a day to answer. Thanks for looking.