Originally Posted by
DjNando
Has anybody ever heard of "portflow" inner springs that are supposedly good for a more agressive cam. Its supposed to be a whole lot cheaper than getting say a set of Skunk2 valves and retainers. I have looked for these online and can't find anything on it. Let me know if anyone here has heard of these inner springs please. BTW its for a B16 head.
Yes, old school tech tip to used on bigger cams. I don't suggest it for stock cams or ITR cams cams. Jun2s or Toda A's or something similar will work. If you do go that route, suggest new retainers and cotterpins.
There are like 99999995454656456453454864561318915186453156456153 threads about this setup on Honda-tech.com. Search it out!