Originals are 2.00". Dave Russell Michael Salter wrote: >Does anyone out there happen to have the compression height for 100 pistons? >That is the distance from the center of the wrist (gudgeon) pin to the top >of the piston. > >Michael Salter >100 (1953) >AHX12 (1953) >Bugeye (1961) >http://www.netbug.net/blogmichael/