New valve guides - set of 16 - for Flathead Ford V-8, except V8-60 and Lincoln.  Stock replacement for Ford 1949 - 1953 Part Number 8BA 6510 B.  All with grooves for guide to block seals.  Used 1933 - 1948 when changing over to late vlave train with straight stem valves for better oil control.  Crosses to Sealed Power part number VG-428.