pretty sure you use the stock rockers with that cam.

pulleys, you'll want more then the 3.1 thats to small to start with. how small you can go is dictated by your tune and and the KR it will produce. your best to get a in car tune when its all done. zzpoop tunes,,,, f them.

and you left out the most expensive part you'll need to mod. THE TRANNY. it is the weak link and will blow up rather fast if its old with higher miles with over 300 hp.