I am normally on the buying end of this forum, however, due to a blunder on my part, I have an MSD Pro Billit dizzy. I bought it from a guy thinking that is was for a 385 series... next time, I'll check my own part numbers! This fits the 351W according to the Summit catalog. It is almost brand new. I'm told that is has dyno time only, and the condition would support this, however, I cannot document anything other than it is a very clean and lightly used unit. It has a bronze gear installed, and also has the original gear that came with the dizzy. Lists new for $254, I am asking $195 plus the ride. I know this is not FE, but surely one of our FE Forum Brothers has a need for this.