Transmission rebuild 904

Looking for recommendations for a transmission rebuild in the central Indiana area. I have a 904 connected to an existing 273 but will be swapping it out with a 340 with the below build.

1970 340

• 10.5 pistons
• 557 lift 292 duration solid lifters
• .208 intake 1.4 exhaust valves
• Triple valve springs, titanium retainers
• 3/8 Chromalloy pushrods
• Crane Gold roller rockers 1.5 ratio
• 800cfm holley
• Dougs headers