Please look at the picture of the white and blue 1957 Sportster in the gallery.
http://www.harleykmodel.com/fullsize.ht ... =1600x1200
http://www.harleykmodel.com/fullsize.ht ... =1600x1200
Are the lower cylinder heads on backwards? See the base of the heads for detail.
shouldn't the stampings be on the right side of the engine and the part numbers be on the left side? Was this a mistake?