Quote Originally Posted by MI2600
Whoever gave you the 441/993 suggestion probably has a set they want to sell. Those are 76cc heads and will put your compression soooo low.
I was the person who made this post.
If you go back and read his posts he has talked about building just about everything.
The reason for the 441/993 post was the 305 heads are much more prone to cracks than the 441/993 and on a 334 which he talked about building they will work fine with a flat-top piston.