FORD FACTORY HEAD BOLTS FE BIG BLOCK. COMPLETE SET OF 20, ALL YOU NEED TO INSTALL HEADS ON MOTOR, ALL BOLTS HAVE BEEN CLEANED AND INSPECTION FOR GOOD THREADS AND NICE HEADS,NO ROUND CORNERS, EXCELLENT CONDITION will work with FORD FE BIG BLOCK ENGINES 352,360,390,410,427,428 CJ/SCJ