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flatheadfan · 09-04-2011, 06:39 PM

I think both you and Bruce are right about the size, I measured an original Ford bolt and came up with a measurement of 0.780". That is the shaft length not the shaft and cap length. The Ford book I have shows 25/64" or 0.390". I belive the 0.390" is only the threaded portion of the shaft. The balance is the shoulder length below the cap.

Hopefully this makes sense!

Tom

09-04-2011, 06:39 PM	#21
flatheadfan Senior Member Join Date: May 2010 Location: West Michigan Posts: 1,218	Re: pressure plate bolt size? I think both you and Bruce are right about the size, I measured an original Ford bolt and came up with a measurement of 0.780". That is the shaft length not the shaft and cap length. The Ford book I have shows 25/64" or 0.390". I belive the 0.390" is only the threaded portion of the shaft. The balance is the shoulder length below the cap. Hopefully this makes sense! Tom