I put a new McLeod Street Twin in my car about a month and a half ago. Took it to the track for the second time last weekend. After the first pass I could smell it getting hot and then it started slipping. I called McLeod this morning and the tech guy told me that the standard Street Twin wasn't going to hold up to my car. That was a great thing to hear after everyone told me there was no was I needed that type of clutch. I got repeatedly told there was no way I could hurt a single disc let alone a twin. I was also pretty disappointed to see a .05 drop off my 60ft times on the new clutch. Back to the drawing board!