Yes, a
Yes, but they have their own issues. The roller tip isn't centered exactly. I'm sure they'd be fine but I like a litte better sweep. called Mancini. The guy was very helpful. He sent pics to Harland Sharp because he said he's never seen that issue on stock iron heads. So we'll see what they say. If I can't resolve this issue, I'll just put some 273 rockers on and be done with it.