383 cam decision
Its got mp stock rockers and hard shafts comp cams matched 1.55 springs with dampners 10 degree retainers and locks stainless valves stock diameter.
Ialso have a set 346 heads that I've cut the guides and have pc seals and isky adj. rockers I had them on a 440 with comp cam 305 magnum stick.
Broke a rod on that motor at Gateway on the big end at 6000 OOuch!