I think the AI TFS Heads are way superior to the Darts. But they are really designed for a motor with a 4" bore.

The MAST 240s are still the best 3.9" bore head you can buy. But they are insanely expensive.

The TEA TFS 215s are also good...

As are the MMS 220s (based on the AFR casting) or 223s (based on the As-Cast TFS casting).

 

I had very good results with the MMS 220

 

If the stars align with the Earth's poles, I might end up being able to swing MMS 220s. Do they come hand finished by default, or is that an extra charge?

 

On mine the ports were touched up. The bowls were hand blended. I want to say that added $400 to the bill? Been too long ago now. But I also got them set up and ready to install, so it may have been included in that part of it

 

Keep stock heads of going boost . No reason to spend 2k . I have $50 set of 706 heads on my car and it makes well over 700 wheel

 

That's what I figured. I'll just have to wait until after income taxes.

 

I am going to do my absolute best to either go AFR 230s or MMS 220s. I think that the AFR 230s would be better with a Magnuson 2300 on top. That's probably the route that I am going to go. Just need to find a shop near me that will port my FAST 90 for a decent price.