Stock 340 Rebuild

I have a 1969 340 in my Dart that I am going to pull to freshen up. Runs fine but I don't know the history of the engine . Other than getting an equivalent 68 340 4-speed cam, I will be going back stock. Where would you recommend to source parts. Mancini? Thanks for all your input.
Summit Racing
Order it all at the same time and get free freight. Their customer service is second to none.