I have a cleaned and checked 489 8 3/4" case for sale. Clean and ready to build $160.00 shipping included to the lower 48. Also have 741 and 742 cases for sale. Also included is the original shim behind the large pinion bearing on the pinion. To give you a good starting point on your set up. All threads checked and I ran a tap thru all of them. Adjusters spin free.