he is a dealer so yeah he should have plenty. He writes his own tunes. When you have your mods all figured out you send him a list and he will write the tune. I personally would wait till I had them in hand in case something changes.

Stock springs I have no idea what they are rated at. If your gonna go so far as to change the cam and all that I would really ditch the stock heads. If anything get a set of HD heads. The stock ones tend to crack. Some may say its rare and all that bs but I'm 99% sure mine were cracked when I took them off. What you do is buy your cam and then when you order your heads give them the cam specs and they can install the springs ya need. That's what I recommend anyway

Not sure on the stock cam specs either. I'm sure if you search you could find it

 

okay thank you and i will let you know what i end up with