NOS ORIGINAL SET OF 8x AUTOLITE CONCOURS CORRECT SPARK PLUGS FOR 1970 FORD 351C ENGINES PART NUMBER AF42. THESE ARE EARLY CORRECT FORD UNITS WITH AUTOLITE LETTERING GREAT FOR A PROPER RESTORATION. Brand new and long since obsolete from Ford. Nothing beats the quality and fit of a genuine Ford part. Feel free to ask any questions. VOELBELTRAILERSPARKPLUGSTRAYSBULKSHELFA