looking for 8-3/4 suregrip and front disc brake conversion

I Have A 8 3/4 3.55 Sure Grip In A 741 Housing, Im Selling To Get A 3.91 For My 340 Small Block, Price Is 350.00 I Live In St.louis Mo 314 610 7220 Brian

Thats a good deal on a complete 8 3/4. I have seen housings alone going for more than that!8)