Just a head's up. I believe this is for a Fordson tractor conversion to magneto, not a T. As far as I know it will not work on a speedster. Unless you have a speedster with a Fordson tractor engine in it.
I have no dog in any fight here, do not own the piece, do not know the seller, am not going to bid on it, may be wrong, could be mistaken, am not on the free advice payroll, don't care if you bid anyway and probably can't outrun your speedster if you put it on, just giving a head's up of what my opinion is.
Yes, it's for the tractor. At least 99% sure.
Mark, I will throw in the other 1%, absolutely Fordson tractor.
Actually it will go on a T engine if you make mounting brackets. Shaft is rather long however and the mag will stick out the side far enough that a hood will not close.
I love your disclaimer
A Fordson runs just a T timer, it might also work on a T, I have several
Yeah, it would really look cute cobbled up to work on a speedster.
I have two or three of them by different makers and none of them look to me like they would be very easy to adapt without looking like some doofus job.