need input on parts for a 904 rebuild!!!

Performance automatic is who puts the kit together guess i wont clear on that i just ordered their kit via summit i am putting a new converter in it n will flush the radiator i went with performance automatics kit because they make one tough trans for fords if this kit is half as good as the products they offer for c4 s it will be a good product i have built atleast a dozen c4 s for other people n im sure i can do the 904 just trying to figure out if its anything i should also invest in while i am in there i dont plan on doing any more as far as hp goes its more a cruiser then anything else