Could anyone recommend me Electronic Distributor Conversion Kits for 1963 225 valiant?

Yep, I bought a spec points dizzy from abc for a 69 383 and got a late model type unit with the diagonal type advance slots instead of parallel straight slots. The III unit fit just fine, adjusted the total mech for my application was my only issue. Just go to the website and put in your dizzy number and you will know what fits. I think think they cover most everything but dual point and the later electronic dizzy's. I had the upgraded electronic from 85 with a Gold box and the III