Phreakish said

HS are going from $830 to $900 depending on which exact kit.

I had a set of PRW 1.5 alum rockers on my RHS 'X' heads prior to the TF heads, and they did not line up well on the valve stems of the TF heads. They were WAY to the intake side, and swept clear across to the center of the stem at full lift (around .600 lift). The stainless 1.6 rockers landed close to center, and the sweep was decently narrow and didn't sweep much from 1/2 to full lift either. 3/8 pushrods also fit with no grinding, but I had to be super careful with the shimming of the rockers.

Speaking of the shims, I did find that I had to get creative. I think the stands on the TF heads are wider than they were on my RHS heads, and some of the thicker spacers didn't fit like my original setup and took a stack of 3-4 shims of varying thickness to get adequate clearance. That was my only real gripe about the whole setup.

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