Using a roller cam in a pre 85 small block

The Comp Hyd rollers sure didn't fit in my 360, that's for sure. Tie bars hit the valley. I don't know if they've been redesigned or not, but that was about 6 months ago.

I certainly wouldn't take anyones word for it. Buy a set with teh ability to return if they hit the valley would be my suggestion. Otherwise it's bust out the grinder... btw, the material in LA block valleys in this area isn't exactly generous in thickness.