The guy that I bought my gt40-x heads from is selling his new AFR 185s after 6 months of use. He now has these up for sale. He wants to run hot street this year and is buying the AFR 225 renagade heads. I know alot of you guys are running the 205s on some serious motors. Anyone going to or are presently using this head. I guess it flows 325 int and 255 ext.